Alright, let's work through 3603344 times 87769492 step by step
3603344 × 87769492 = 87769492 × (3603344)
+ 87769492 × 4 what gives us 351077968
+ 87769492 × 40 what gives us 3510779680
+ 87769492 × 300 yielding 26330847600
+ 87769492 × 3000 what gives us 263308476000
+ 87769492 × 00000 yielding 0
+ 87769492 × 600000 that is equal 52661695200000
+ 87769492 × 3000000 resulting in 263308476000000

= 316263672381248
