Alright, let's work through 3956 times 9170 step by step
3956 × 9170 = 9170 × (3956)
+ 9170 × 6 that results in 55020
+ 9170 × 50 that is equal 458500
+ 9170 × 900 that equals 8253000
+ 9170 × 3000 resulting in 27510000

= 36276520
