No problem, we've got 21339045 and 79772138 to multiply
21339045 × 79772138 = 79772138 × (21339045)
+ 79772138 × 5 what gives us 398860690
+ 79772138 × 40 that equals 3190885520
+ 79772138 × 000 which equals 0
+ 79772138 × 9000 that results in 717949242000
+ 79772138 × 30000 yielding 2393164140000
+ 79772138 × 300000 that equals 23931641400000
+ 79772138 × 1000000 producing 79772138000000
+ 79772138 × 20000000 yielding 1595442760000000

= 1702261242528210
