Alright, let's work through 7891 times 8986 step by step
7891 × 8986 = 8986 × (7891)
+ 8986 × 1 that is equal 8986
+ 8986 × 90 giving us 808740
+ 8986 × 800 yielding 7188800
+ 8986 × 7000 what gives us 62902000

= 70908526
