Alright, let's work through 4121 times 6216 step by step
4121 × 6216 = 6216 × (4121)
+ 6216 × 1 resulting in 6216
+ 6216 × 20 yielding 124320
+ 6216 × 100 resulting in 621600
+ 6216 × 4000 resulting in 24864000

= 25616136
