Solution

25028

First name
Thomas Bolt
School
Spring Gardens Primary School
Country
Age
10

For 'forgot the numbers' I started off by partitioning 3.125 into 3 and 0.125, then worked out that 0.125 x 8 = 1. Since 3 x 8 is 24, I did 24 add 1 = 25. This means that 25 divided by 8 is the answer.