No problem, we've got 18100131 and 72731416 to multiply
18100131 × 72731416 = 72731416 × (18100131)
+ 72731416 × 1 that results in 72731416
+ 72731416 × 30 that equals 2181942480
+ 72731416 × 100 producing 7273141600
+ 72731416 × 0000 producing 0
+ 72731416 × 00000 what gives us 0
+ 72731416 × 100000 giving us 7273141600000
+ 72731416 × 8000000 that equals 581851328000000
+ 72731416 × 10000000 that is equal 727314160000000

= 1316448157415496
