Alright, let's work through 7886 times 921 step by step
7886 × 921 = 921 × (7886)
+ 921 × 6 resulting in 5526
+ 921 × 80 giving us 73680
+ 921 × 800 what gives us 736800
+ 921 × 7000 which equals 6447000

= 7263006
