Alright, let's work through 5187 times 236 step by step
5187 × 236 = 236 × (5187)
+ 236 × 7 resulting in 1652
+ 236 × 80 yielding 18880
+ 236 × 100 that is equal 23600
+ 236 × 5000 that results in 1180000

= 1224132
