Alright, let's work through 10847340 times 45307121 step by step
10847340 × 45307121 = 45307121 × (10847340)
+ 45307121 × 0 that is equal 0
+ 45307121 × 40 resulting in 1812284840
+ 45307121 × 300 producing 13592136300
+ 45307121 × 7000 that equals 317149847000
+ 45307121 × 40000 yielding 1812284840000
+ 45307121 × 800000 what gives us 36245696800000
+ 45307121 × 0000000 which equals 0
+ 45307121 × 10000000 which equals 453071210000000

= 491461745908140
