Alright, let's work through 1107 times 4815 step by step
1107 × 4815 = 4815 × (1107)
+ 4815 × 7 what gives us 33705
+ 4815 × 00 yielding 0
+ 4815 × 100 yielding 481500
+ 4815 × 1000 resulting in 4815000

= 5330205
