Let's calculate 83964264 x 87855348
83964264 × 87855348 = 87855348 × (83964264)
+ 87855348 × 4 yielding 351421392
+ 87855348 × 60 yielding 5271320880
+ 87855348 × 200 yielding 17571069600
+ 87855348 × 4000 that is equal 351421392000
+ 87855348 × 60000 which equals 5271320880000
+ 87855348 × 900000 resulting in 79069813200000
+ 87855348 × 3000000 that equals 263566044000000
+ 87855348 × 80000000 that results in 7028427840000000

= 7376709633283872
