Alright, let's work through 4821 times 9129 step by step
4821 × 9129 = 9129 × (4821)
+ 9129 × 1 giving us 9129
+ 9129 × 20 that equals 182580
+ 9129 × 800 resulting in 7303200
+ 9129 × 4000 giving us 36516000

= 44010909
