Alright, let's work through 27997870 times 39837882 step by step
27997870 × 39837882 = 39837882 × (27997870)
+ 39837882 × 0 resulting in 0
+ 39837882 × 70 that results in 2788651740
+ 39837882 × 800 which equals 31870305600
+ 39837882 × 7000 which equals 278865174000
+ 39837882 × 90000 yielding 3585409380000
+ 39837882 × 900000 that results in 35854093800000
+ 39837882 × 7000000 that equals 278865174000000
+ 39837882 × 20000000 resulting in 796757640000000

= 1115375841311340
