Subtract the first integer from the second $1001, 101$.

Subtract the first integer from the second $-812, 3126$.

Subtract the first integer from the second $7560, -8$.

Subtract the first integer from the second $-3978, -4109$.

Subtract the first integer from the second $0, -1005$.

Find the value of: $-27-(-23)$

Find the value of: $-17-18-(-35)$

Find the value of: $-12-(-5)-(-125)+270$.