Alright, let's work through 40187373 times 53979550 step by step
40187373 × 53979550 = 53979550 × (40187373)
+ 53979550 × 3 which equals 161938650
+ 53979550 × 70 producing 3778568500
+ 53979550 × 300 which equals 16193865000
+ 53979550 × 7000 that is equal 377856850000
+ 53979550 × 80000 what gives us 4318364000000
+ 53979550 × 100000 yielding 5397955000000
+ 53979550 × 0000000 which equals 0
+ 53979550 × 40000000 which equals 2159182000000000

= 2169296310222150
