Alright, let's work through 68686300 times 20430924 step by step
68686300 × 20430924 = 20430924 × (68686300)
+ 20430924 × 0 that is equal 0
+ 20430924 × 00 yielding 0
+ 20430924 × 300 which equals 6129277200
+ 20430924 × 6000 that results in 122585544000
+ 20430924 × 80000 that results in 1634473920000
+ 20430924 × 600000 that results in 12258554400000
+ 20430924 × 8000000 that results in 163447392000000
+ 20430924 × 60000000 producing 1225855440000000

= 1403324575141200
