Alright, let's work through 1230 times 9503 step by step
1230 × 9503 = 9503 × (1230)
+ 9503 × 0 what gives us 0
+ 9503 × 30 resulting in 285090
+ 9503 × 200 that equals 1900600
+ 9503 × 1000 giving us 9503000

= 11688690
