Alright, let's work through 66503977 times 73426136 step by step
66503977 × 73426136 = 73426136 × (66503977)
+ 73426136 × 7 producing 513982952
+ 73426136 × 70 giving us 5139829520
+ 73426136 × 900 resulting in 66083522400
+ 73426136 × 3000 giving us 220278408000
+ 73426136 × 00000 producing 0
+ 73426136 × 500000 which equals 36713068000000
+ 73426136 × 6000000 producing 440556816000000
+ 73426136 × 60000000 that results in 4405568160000000

= 4883130059742872
