Answer / selvin

If the first entered no is greater than second than the
output of - should be positive.for ex 125-25=100
If the first entered no is smaller than second than the
output of - should be negative. for ex 125-150=-25

The first no is subtracted with the second no than the
output should be less than first no.for ex(150-25)=125 where
125<150

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