Alright, let's work through 8424650 times 42173250 step by step
8424650 × 42173250 = 42173250 × (8424650)
+ 42173250 × 0 that equals 0
+ 42173250 × 50 what gives us 2108662500
+ 42173250 × 600 which equals 25303950000
+ 42173250 × 4000 producing 168693000000
+ 42173250 × 20000 producing 843465000000
+ 42173250 × 400000 that is equal 16869300000000
+ 42173250 × 8000000 giving us 337386000000000

= 355294870612500
