Alright, let's work through 18038418 times 90648985 step by step
18038418 × 90648985 = 90648985 × (18038418)
+ 90648985 × 8 giving us 725191880
+ 90648985 × 10 what gives us 906489850
+ 90648985 × 400 that results in 36259594000
+ 90648985 × 8000 producing 725191880000
+ 90648985 × 30000 yielding 2719469550000
+ 90648985 × 000000 that is equal 0
+ 90648985 × 8000000 that equals 725191880000000
+ 90648985 × 10000000 that is equal 906489850000000

= 1635164282705730
