Alright, let's work through 7089 times 2188 step by step
7089 × 2188 = 2188 × (7089)
+ 2188 × 9 what gives us 19692
+ 2188 × 80 yielding 175040
+ 2188 × 000 that results in 0
+ 2188 × 7000 yielding 15316000

= 15510732
