Alright, let's work through 90944165 times 13662413 step by step
90944165 × 13662413 = 13662413 × (90944165)
+ 13662413 × 5 what gives us 68312065
+ 13662413 × 60 that equals 819744780
+ 13662413 × 100 giving us 1366241300
+ 13662413 × 4000 resulting in 54649652000
+ 13662413 × 40000 giving us 546496520000
+ 13662413 × 900000 that equals 12296171700000
+ 13662413 × 0000000 producing 0
+ 13662413 × 90000000 that equals 1229617170000000

= 1242516742170145
