Alright, let's work through 42978409 times 47491018 step by step
42978409 × 47491018 = 47491018 × (42978409)
+ 47491018 × 9 that equals 427419162
+ 47491018 × 00 resulting in 0
+ 47491018 × 400 that is equal 18996407200
+ 47491018 × 8000 that results in 379928144000
+ 47491018 × 70000 that equals 3324371260000
+ 47491018 × 900000 which equals 42741916200000
+ 47491018 × 2000000 giving us 94982036000000
+ 47491018 × 40000000 that is equal 1899640720000000

= 2041088395430362
