Alright, let's work through 78850754 times 18336377 step by step
78850754 × 18336377 = 18336377 × (78850754)
+ 18336377 × 4 that results in 73345508
+ 18336377 × 50 producing 916818850
+ 18336377 × 700 resulting in 12835463900
+ 18336377 × 0000 that is equal 0
+ 18336377 × 50000 that results in 916818850000
+ 18336377 × 800000 giving us 14669101600000
+ 18336377 × 8000000 yielding 146691016000000
+ 18336377 × 70000000 giving us 1283546390000000

= 1445837152078258
