Alright, let's work through 74098698 times 8981661 step by step
74098698 × 8981661 = 8981661 × (74098698)
+ 8981661 × 8 what gives us 71853288
+ 8981661 × 90 which equals 808349490
+ 8981661 × 600 what gives us 5388996600
+ 8981661 × 8000 what gives us 71853288000
+ 8981661 × 90000 what gives us 808349490000
+ 8981661 × 000000 resulting in 0
+ 8981661 × 4000000 resulting in 35926644000000
+ 8981661 × 70000000 which equals 628716270000000

= 665529385977378
