Alright, let's work through 78105704 times 74002751 step by step
78105704 × 74002751 = 74002751 × (78105704)
+ 74002751 × 4 which equals 296011004
+ 74002751 × 00 that results in 0
+ 74002751 × 700 resulting in 51801925700
+ 74002751 × 5000 that equals 370013755000
+ 74002751 × 00000 that equals 0
+ 74002751 × 100000 that equals 7400275100000
+ 74002751 × 8000000 yielding 592022008000000
+ 74002751 × 70000000 that is equal 5180192570000000

= 5780036964791704
