Alright, let's work through 37801540 times 87137013 step by step
37801540 × 87137013 = 87137013 × (37801540)
+ 87137013 × 0 that results in 0
+ 87137013 × 40 which equals 3485480520
+ 87137013 × 500 giving us 43568506500
+ 87137013 × 1000 yielding 87137013000
+ 87137013 × 00000 producing 0
+ 87137013 × 800000 yielding 69709610400000
+ 87137013 × 7000000 yielding 609959091000000
+ 87137013 × 30000000 giving us 2614110390000000

= 3293913282400020
