Alright, let's work through 48216713 times 31081491 step by step
48216713 × 31081491 = 31081491 × (48216713)
+ 31081491 × 3 that results in 93244473
+ 31081491 × 10 that is equal 310814910
+ 31081491 × 700 that equals 21757043700
+ 31081491 × 6000 resulting in 186488946000
+ 31081491 × 10000 that is equal 310814910000
+ 31081491 × 200000 that results in 6216298200000
+ 31081491 × 8000000 giving us 248651928000000
+ 31081491 × 40000000 what gives us 1243259640000000

= 1498647331159083
