Alright, let's work through 1221 times 1413 step by step
1221 × 1413 = 1413 × (1221)
+ 1413 × 1 resulting in 1413
+ 1413 × 20 that equals 28260
+ 1413 × 200 giving us 282600
+ 1413 × 1000 what gives us 1413000

= 1725273
