Alright, let's work through 3603321 times 42031797 step by step
3603321 × 42031797 = 42031797 × (3603321)
+ 42031797 × 1 what gives us 42031797
+ 42031797 × 20 that results in 840635940
+ 42031797 × 300 that results in 12609539100
+ 42031797 × 3000 which equals 126095391000
+ 42031797 × 00000 which equals 0
+ 42031797 × 600000 that is equal 25219078200000
+ 42031797 × 3000000 what gives us 126095391000000

= 151454056797837
