4 times with remainder 20.
The Russian 91-91 in caliber 9x39 uses a 20 round box magazine,
91 multiplied by 20 is 1,820.
91 ÷ 7 = 13
There are: 91/3 = 30 with a remainder of 1
13
how many times can 7 go into 91. Thirteen
91 ÷ 12 = 7 remainder 7
91
1
5
91 divided by 13 = 7 13 can go into 91 7 times