401/403
Just to be fair to Setright, because I thought my joke was a bit mean in retrospect - conventionally, mathematically, it's customary to round down below 0.5, so 152.4 becomes 152, but practically, rounding down is dangerous: a 403 won't go through a 152cm gap, however mathematically conventional the measure is. So LJKS made the right decision in rounding up, I think. Typically unconventional and perspicacious; just what I've always enjoyed in his writing.
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