If Jimmy has 32 sheets, and Tommy has 10 more sheets than Jimmy does, Tommy has 10+32 = <<32+10=42>>42 sheets.
When Ashton gives Jimmy 40 sheets, his total number of sheets increases to 32+ 40 = <<32+40=72>>72
The number of sheets that Jimmy now have than Tommy is 72-42 = <<72-42=30>>30
#### 30