Alright, let's work through 4896 times 107 step by step
4896 × 107 = 107 × (4896)
+ 107 × 6 what gives us 642
+ 107 × 90 giving us 9630
+ 107 × 800 what gives us 85600
+ 107 × 4000 that equals 428000

= 523872
