Question

what is the smallest number you have to add to 100000 to get multiple of 1234

Answer 1

100000/1234 = 81.03

So, 1234x82 = 101188

So (101188-100000) = 1188 must be added to 100000 to make it divisible by 1234

Answer 2

1234*82=101188
SO WE HAVE TO ADD 101188-100000=1188