Alright, let's work through 40027086 times 57800809 step by step
40027086 × 57800809 = 57800809 × (40027086)
+ 57800809 × 6 giving us 346804854
+ 57800809 × 80 which equals 4624064720
+ 57800809 × 000 that is equal 0
+ 57800809 × 7000 giving us 404605663000
+ 57800809 × 20000 resulting in 1156016180000
+ 57800809 × 000000 producing 0
+ 57800809 × 0000000 that is equal 0
+ 57800809 × 40000000 giving us 2312032360000000

= 2313597952712574
