Alright, let's work through 60807420 times 1053332 step by step
60807420 × 1053332 = 1053332 × (60807420)
+ 1053332 × 0 that equals 0
+ 1053332 × 20 that results in 21066640
+ 1053332 × 400 yielding 421332800
+ 1053332 × 7000 yielding 7373324000
+ 1053332 × 00000 yielding 0
+ 1053332 × 800000 yielding 842665600000
+ 1053332 × 0000000 which equals 0
+ 1053332 × 60000000 that is equal 63199920000000

= 64050401323440
