Alright, let's work through 18449790 times 90604898 step by step
18449790 × 90604898 = 90604898 × (18449790)
+ 90604898 × 0 that equals 0
+ 90604898 × 90 which equals 8154440820
+ 90604898 × 700 that results in 63423428600
+ 90604898 × 9000 that is equal 815444082000
+ 90604898 × 40000 giving us 3624195920000
+ 90604898 × 400000 that results in 36241959200000
+ 90604898 × 8000000 that results in 724839184000000
+ 90604898 × 10000000 that is equal 906048980000000

= 1671641341071420
