Question

$\text{What is the smallest number you have to add to}100000\text{to get a multiple of}1234?$

Answer 1

$\begin{array}{ccc}1234)& 100000& (81\\ & {}_{(-)}9872& \\ & 1280& \\ -& 1234& \\ & 46& \end{array}$

$\therefore 1234-46=1188$ should be added to $100000$ to get a multiple of $1234$