Alright, let's work through 7161 times 7421 step by step
7161 × 7421 = 7421 × (7161)
+ 7421 × 1 yielding 7421
+ 7421 × 60 what gives us 445260
+ 7421 × 100 producing 742100
+ 7421 × 7000 producing 51947000

= 53141781
