No problem, we've got 63982304 and 79816370 to multiply
63982304 × 79816370 = 79816370 × (63982304)
+ 79816370 × 4 yielding 319265480
+ 79816370 × 00 which equals 0
+ 79816370 × 300 giving us 23944911000
+ 79816370 × 2000 what gives us 159632740000
+ 79816370 × 80000 that results in 6385309600000
+ 79816370 × 900000 that equals 71834733000000
+ 79816370 × 3000000 resulting in 239449110000000
+ 79816370 × 60000000 that equals 4788982200000000

= 5106835249516480
