Alright, let's work through 87829470 times 54891088 step by step
87829470 × 54891088 = 54891088 × (87829470)
+ 54891088 × 0 that is equal 0
+ 54891088 × 70 which equals 3842376160
+ 54891088 × 400 yielding 21956435200
+ 54891088 × 9000 giving us 494019792000
+ 54891088 × 20000 that equals 1097821760000
+ 54891088 × 800000 that results in 43912870400000
+ 54891088 × 7000000 which equals 384237616000000
+ 54891088 × 80000000 that equals 4391287040000000

= 4821055166763360
