No problem, we've got 71797977 and 73566480 to multiply
71797977 × 73566480 = 73566480 × (71797977)
+ 73566480 × 7 producing 514965360
+ 73566480 × 70 producing 5149653600
+ 73566480 × 900 resulting in 66209832000
+ 73566480 × 7000 yielding 514965360000
+ 73566480 × 90000 yielding 6620983200000
+ 73566480 × 700000 that equals 51496536000000
+ 73566480 × 1000000 producing 73566480000000
+ 73566480 × 70000000 which equals 5149653600000000

= 5281924439010960
