Alright, let's work through 77507620 times 42127037 step by step
77507620 × 42127037 = 42127037 × (77507620)
+ 42127037 × 0 which equals 0
+ 42127037 × 20 which equals 842540740
+ 42127037 × 600 yielding 25276222200
+ 42127037 × 7000 that is equal 294889259000
+ 42127037 × 00000 resulting in 0
+ 42127037 × 500000 that is equal 21063518500000
+ 42127037 × 7000000 yielding 294889259000000
+ 42127037 × 70000000 resulting in 2948892590000000

= 3265166375521940
