Alright, let's work through 42840345 times 19769126 step by step
42840345 × 19769126 = 19769126 × (42840345)
+ 19769126 × 5 resulting in 98845630
+ 19769126 × 40 giving us 790765040
+ 19769126 × 300 what gives us 5930737800
+ 19769126 × 0000 producing 0
+ 19769126 × 40000 what gives us 790765040000
+ 19769126 × 800000 giving us 15815300800000
+ 19769126 × 2000000 which equals 39538252000000
+ 19769126 × 40000000 which equals 790765040000000

= 846916178188470
