Alright, let's work through 1553 times 1290 step by step
1553 × 1290 = 1290 × (1553)
+ 1290 × 3 that is equal 3870
+ 1290 × 50 that results in 64500
+ 1290 × 500 that results in 645000
+ 1290 × 1000 what gives us 1290000

= 2003370
