No problem, we've got 72429623 and 5336128 to multiply
72429623 × 5336128 = 5336128 × (72429623)
+ 5336128 × 3 what gives us 16008384
+ 5336128 × 20 that equals 106722560
+ 5336128 × 600 that results in 3201676800
+ 5336128 × 9000 producing 48025152000
+ 5336128 × 20000 that is equal 106722560000
+ 5336128 × 400000 that equals 2134451200000
+ 5336128 × 2000000 which equals 10672256000000
+ 5336128 × 70000000 what gives us 373528960000000

= 386493739319744
