No problem, we've got 20697212 and 34878735 to multiply
20697212 × 34878735 = 34878735 × (20697212)
+ 34878735 × 2 what gives us 69757470
+ 34878735 × 10 that results in 348787350
+ 34878735 × 200 resulting in 6975747000
+ 34878735 × 7000 giving us 244151145000
+ 34878735 × 90000 what gives us 3139086150000
+ 34878735 × 600000 giving us 20927241000000
+ 34878735 × 0000000 that is equal 0
+ 34878735 × 20000000 that results in 697574700000000

= 721892572586820
