Alright, let's work through 5131 times 2298 step by step
5131 × 2298 = 2298 × (5131)
+ 2298 × 1 producing 2298
+ 2298 × 30 that is equal 68940
+ 2298 × 100 which equals 229800
+ 2298 × 5000 producing 11490000

= 11791038
