Alright, let's work through 213516 times 59671736 step by step
213516 × 59671736 = 59671736 × (213516)
+ 59671736 × 6 that results in 358030416
+ 59671736 × 10 which equals 596717360
+ 59671736 × 500 which equals 29835868000
+ 59671736 × 3000 yielding 179015208000
+ 59671736 × 10000 that results in 596717360000
+ 59671736 × 200000 what gives us 11934347200000

= 12740870383776
