We're going to solve 54587745 multiplied by 21342784
54587745 × 21342784 = 21342784 × (54587745)
+ 21342784 × 5 that is equal 106713920
+ 21342784 × 40 giving us 853711360
+ 21342784 × 700 resulting in 14939948800
+ 21342784 × 7000 that is equal 149399488000
+ 21342784 × 80000 that results in 1707422720000
+ 21342784 × 500000 which equals 10671392000000
+ 21342784 × 4000000 yielding 85371136000000
+ 21342784 × 50000000 yielding 1067139200000000

= 1165054450582080
