Alright, let's work through 1553 times 443 step by step
1553 × 443 = 443 × (1553)
+ 443 × 3 what gives us 1329
+ 443 × 50 giving us 22150
+ 443 × 500 giving us 221500
+ 443 × 1000 that equals 443000

= 687979
