No problem, we've got 72276905 and 78173520 to multiply
72276905 × 78173520 = 78173520 × (72276905)
+ 78173520 × 5 producing 390867600
+ 78173520 × 00 what gives us 0
+ 78173520 × 900 which equals 70356168000
+ 78173520 × 6000 what gives us 469041120000
+ 78173520 × 70000 producing 5472146400000
+ 78173520 × 200000 that is equal 15634704000000
+ 78173520 × 2000000 resulting in 156347040000000
+ 78173520 × 70000000 which equals 5472146400000000

= 5650140078555600
