Alright, let's work through 56666678 times 71107801 step by step
56666678 × 71107801 = 71107801 × (56666678)
+ 71107801 × 8 resulting in 568862408
+ 71107801 × 70 which equals 4977546070
+ 71107801 × 600 that equals 42664680600
+ 71107801 × 6000 that equals 426646806000
+ 71107801 × 60000 that results in 4266468060000
+ 71107801 × 600000 which equals 42664680600000
+ 71107801 × 6000000 that equals 426646806000000
+ 71107801 × 50000000 what gives us 3555390050000000

= 4029442862555078
