Alright, let's work through 1755 times 1223 step by step
1755 × 1223 = 1223 × (1755)
+ 1223 × 5 which equals 6115
+ 1223 × 50 yielding 61150
+ 1223 × 700 that is equal 856100
+ 1223 × 1000 what gives us 1223000

= 2146365
