Alright, let's work through 74988560 times 49228641 step by step
74988560 × 49228641 = 49228641 × (74988560)
+ 49228641 × 0 what gives us 0
+ 49228641 × 60 what gives us 2953718460
+ 49228641 × 500 that results in 24614320500
+ 49228641 × 8000 producing 393829128000
+ 49228641 × 80000 that is equal 3938291280000
+ 49228641 × 900000 resulting in 44305776900000
+ 49228641 × 4000000 that results in 196914564000000
+ 49228641 × 70000000 producing 3446004870000000

= 3691584899346960
