No problem, we've got 70089320 and 61079352 to multiply
70089320 × 61079352 = 61079352 × (70089320)
+ 61079352 × 0 what gives us 0
+ 61079352 × 20 resulting in 1221587040
+ 61079352 × 300 that is equal 18323805600
+ 61079352 × 9000 that equals 549714168000
+ 61079352 × 80000 that results in 4886348160000
+ 61079352 × 000000 that results in 0
+ 61079352 × 0000000 that equals 0
+ 61079352 × 70000000 producing 4275554640000000

= 4281010247720640
