Alright, let's work through 7772 times 7421 step by step
7772 × 7421 = 7421 × (7772)
+ 7421 × 2 what gives us 14842
+ 7421 × 70 what gives us 519470
+ 7421 × 700 that is equal 5194700
+ 7421 × 7000 yielding 51947000

= 57676012
