Solution

25153

First name
Yasmin
School
SS Peter & Pauls Primary
Country
Age
11

I first calculated that 0.125 x 8 is a whole number (1).
3 (from 3.125) times8 is 24 so the answer from both equals 25.

Then...................

25/8 = 3r1 = 3 1/8 = 3.125