use a calculator or long hand multiplication
99,990 multiplied by 321 is 32,096,790
321 multiplied by 4 is 1,284.
321 multiplied by 84 is 26,964.
3 multiplied by 107 is 321.
107 multiplied by 14 is 1,498.
18 multiplied by 14 is 252
14 multiplied by 91 is 1,274.
340904.
It is: 111,111,1112 = 12,345,678,987,456,321
111,111,111 x 111,111,111
Any number multiplied by 1 is the number itself: so the answer is 14.
14 over 50 multiplied by 100 is 28