What is 2.54 multiplyed by 6?

Answer 1

15.24

Answer 2

If you can't do it in one go, do it in bits: 2 x 6 = 12, 0.5 x 6 = 3 and 0.04 x 6 = 0.24. Add 'em up and you get 15.24, (which is the number of centimetres in 6 inches.)