Alright, let's work through 27144884 times 78211383 step by step
27144884 × 78211383 = 78211383 × (27144884)
+ 78211383 × 4 which equals 312845532
+ 78211383 × 80 that results in 6256910640
+ 78211383 × 800 that equals 62569106400
+ 78211383 × 4000 which equals 312845532000
+ 78211383 × 40000 what gives us 3128455320000
+ 78211383 × 100000 that is equal 7821138300000
+ 78211383 × 7000000 that results in 547479681000000
+ 78211383 × 20000000 that results in 1564227660000000

= 2123038919014572
