Alright, let's work through 7725 times 7071 step by step
7725 × 7071 = 7071 × (7725)
+ 7071 × 5 what gives us 35355
+ 7071 × 20 that results in 141420
+ 7071 × 700 that is equal 4949700
+ 7071 × 7000 resulting in 49497000

= 54623475
