Alright, let's work through 2001 times 1156 step by step
2001 × 1156 = 1156 × (2001)
+ 1156 × 1 that is equal 1156
+ 1156 × 00 that equals 0
+ 1156 × 000 that results in 0
+ 1156 × 2000 that results in 2312000

= 2313156
