Alright, let's work through 77857635 times 48007943 step by step
77857635 × 48007943 = 48007943 × (77857635)
+ 48007943 × 5 that equals 240039715
+ 48007943 × 30 that is equal 1440238290
+ 48007943 × 600 what gives us 28804765800
+ 48007943 × 7000 giving us 336055601000
+ 48007943 × 50000 that results in 2400397150000
+ 48007943 × 800000 yielding 38406354400000
+ 48007943 × 7000000 that results in 336055601000000
+ 48007943 × 70000000 yielding 3360556010000000

= 3737784903194805
