Alright, let's work through 1130 times 7312 step by step
1130 × 7312 = 7312 × (1130)
+ 7312 × 0 yielding 0
+ 7312 × 30 which equals 219360
+ 7312 × 100 that equals 731200
+ 7312 × 1000 that is equal 7312000

= 8262560
