Alright, let's work through 79172317 times 87646368 step by step
79172317 × 87646368 = 87646368 × (79172317)
+ 87646368 × 7 that results in 613524576
+ 87646368 × 10 giving us 876463680
+ 87646368 × 300 what gives us 26293910400
+ 87646368 × 2000 what gives us 175292736000
+ 87646368 × 70000 that equals 6135245760000
+ 87646368 × 100000 that equals 8764636800000
+ 87646368 × 9000000 yielding 788817312000000
+ 87646368 × 70000000 which equals 6135245760000000

= 6939166031194656
