3
Once, with 14 left over.
39 ÷ 3 = 13
21
the answer is 21 times 42 which equals 882
It can go once.
21 can go into 38 one time. It'll have a remainder of 17.
39 time with a remainder 1
4.6667 times.
Four (4.4286) times.
One (1.9048) time.
21 times.