Alright, let's work through 3290 times 7191 step by step
3290 × 7191 = 7191 × (3290)
+ 7191 × 0 that is equal 0
+ 7191 × 90 yielding 647190
+ 7191 × 200 which equals 1438200
+ 7191 × 3000 that results in 21573000

= 23658390
