Alright, let's work through 5435 times 3957 step by step
5435 × 3957 = 3957 × (5435)
+ 3957 × 5 what gives us 19785
+ 3957 × 30 that equals 118710
+ 3957 × 400 that is equal 1582800
+ 3957 × 5000 that equals 19785000

= 21506295
