Alright, let's work through 1504 times 2190 step by step
1504 × 2190 = 2190 × (1504)
+ 2190 × 4 producing 8760
+ 2190 × 00 that equals 0
+ 2190 × 500 giving us 1095000
+ 2190 × 1000 which equals 2190000

= 3293760
