Alright, let's work through 5025 times 7956 step by step
5025 × 7956 = 7956 × (5025)
+ 7956 × 5 what gives us 39780
+ 7956 × 20 giving us 159120
+ 7956 × 000 resulting in 0
+ 7956 × 5000 giving us 39780000

= 39978900
