Alright, let's work through 77630038 times 42570079 step by step
77630038 × 42570079 = 42570079 × (77630038)
+ 42570079 × 8 resulting in 340560632
+ 42570079 × 30 which equals 1277102370
+ 42570079 × 000 that results in 0
+ 42570079 × 0000 what gives us 0
+ 42570079 × 30000 that equals 1277102370000
+ 42570079 × 600000 giving us 25542047400000
+ 42570079 × 7000000 resulting in 297990553000000
+ 42570079 × 70000000 that is equal 2979905530000000

= 3304716850433002
