Alright, let's work through 1131 times 2150 step by step
1131 × 2150 = 2150 × (1131)
+ 2150 × 1 which equals 2150
+ 2150 × 30 that is equal 64500
+ 2150 × 100 that is equal 215000
+ 2150 × 1000 that is equal 2150000

= 2431650
