Alright, let's work through 5143 times 7745 step by step
5143 × 7745 = 7745 × (5143)
+ 7745 × 3 what gives us 23235
+ 7745 × 40 resulting in 309800
+ 7745 × 100 that is equal 774500
+ 7745 × 5000 yielding 38725000

= 39832535
