Alright, let's work through 97891437 times 49977484 step by step
97891437 × 49977484 = 49977484 × (97891437)
+ 49977484 × 7 that results in 349842388
+ 49977484 × 30 giving us 1499324520
+ 49977484 × 400 what gives us 19990993600
+ 49977484 × 1000 yielding 49977484000
+ 49977484 × 90000 which equals 4497973560000
+ 49977484 × 800000 giving us 39981987200000
+ 49977484 × 7000000 yielding 349842388000000
+ 49977484 × 90000000 that is equal 4497973560000000

= 4892367726404508
