Let's calculate 1553 x 8023
1553 × 8023 = 8023 × (1553)
+ 8023 × 3 yielding 24069
+ 8023 × 50 what gives us 401150
+ 8023 × 500 that results in 4011500
+ 8023 × 1000 what gives us 8023000

= 12459719
