No problem, we've got 77377487 and 2137143 to multiply
77377487 × 2137143 = 2137143 × (77377487)
+ 2137143 × 7 that results in 14960001
+ 2137143 × 80 that equals 170971440
+ 2137143 × 400 that results in 854857200
+ 2137143 × 7000 which equals 14960001000
+ 2137143 × 70000 giving us 149600010000
+ 2137143 × 300000 yielding 641142900000
+ 2137143 × 7000000 that equals 14960001000000
+ 2137143 × 70000000 producing 149600010000000

= 165366754699641
