Alright, let's work through 77308812 times 76003070 step by step
77308812 × 76003070 = 76003070 × (77308812)
+ 76003070 × 2 resulting in 152006140
+ 76003070 × 10 yielding 760030700
+ 76003070 × 800 that is equal 60802456000
+ 76003070 × 8000 that equals 608024560000
+ 76003070 × 00000 yielding 0
+ 76003070 × 300000 that results in 22800921000000
+ 76003070 × 7000000 which equals 532021490000000
+ 76003070 × 70000000 giving us 5320214900000000

= 5875707050052840
