Alright, let's work through 3718918 times 71854593 step by step
3718918 × 71854593 = 71854593 × (3718918)
+ 71854593 × 8 that equals 574836744
+ 71854593 × 10 what gives us 718545930
+ 71854593 × 900 yielding 64669133700
+ 71854593 × 8000 giving us 574836744000
+ 71854593 × 10000 that results in 718545930000
+ 71854593 × 700000 yielding 50298215100000
+ 71854593 × 3000000 yielding 215563779000000

= 267221339290374
