No problem, we've got 71085731 and 20743471 to multiply
71085731 × 20743471 = 20743471 × (71085731)
+ 20743471 × 1 yielding 20743471
+ 20743471 × 30 which equals 622304130
+ 20743471 × 700 that results in 14520429700
+ 20743471 × 5000 yielding 103717355000
+ 20743471 × 80000 producing 1659477680000
+ 20743471 × 000000 what gives us 0
+ 20743471 × 1000000 that results in 20743471000000
+ 20743471 × 70000000 what gives us 1452042970000000

= 1474564799512301
