No problem, we've got 21943675 and 69328850 to multiply
21943675 × 69328850 = 69328850 × (21943675)
+ 69328850 × 5 which equals 346644250
+ 69328850 × 70 what gives us 4853019500
+ 69328850 × 600 what gives us 41597310000
+ 69328850 × 3000 which equals 207986550000
+ 69328850 × 40000 that results in 2773154000000
+ 69328850 × 900000 giving us 62395965000000
+ 69328850 × 1000000 yielding 69328850000000
+ 69328850 × 20000000 that is equal 1386577000000000

= 1521329752523750
