No problem, we've got 21720028 and 9757310 to multiply
21720028 × 9757310 = 9757310 × (21720028)
+ 9757310 × 8 resulting in 78058480
+ 9757310 × 20 that results in 195146200
+ 9757310 × 000 that is equal 0
+ 9757310 × 0000 giving us 0
+ 9757310 × 20000 what gives us 195146200000
+ 9757310 × 700000 producing 6830117000000
+ 9757310 × 1000000 which equals 9757310000000
+ 9757310 × 20000000 that equals 195146200000000

= 211929046404680
