Alright, let's work through 21069542 times 35339401 step by step
21069542 × 35339401 = 35339401 × (21069542)
+ 35339401 × 2 resulting in 70678802
+ 35339401 × 40 which equals 1413576040
+ 35339401 × 500 what gives us 17669700500
+ 35339401 × 9000 yielding 318054609000
+ 35339401 × 60000 that equals 2120364060000
+ 35339401 × 000000 what gives us 0
+ 35339401 × 1000000 that results in 35339401000000
+ 35339401 × 20000000 producing 706788020000000

= 744584993624342
