Alright, let's work through 3548878 times 16421011 step by step
3548878 × 16421011 = 16421011 × (3548878)
+ 16421011 × 8 that results in 131368088
+ 16421011 × 70 that results in 1149470770
+ 16421011 × 800 which equals 13136808800
+ 16421011 × 8000 giving us 131368088000
+ 16421011 × 40000 giving us 656840440000
+ 16421011 × 500000 what gives us 8210505500000
+ 16421011 × 3000000 that results in 49263033000000

= 58276164675658
