Alright, let's work through 1820 times 4424 step by step
1820 × 4424 = 4424 × (1820)
+ 4424 × 0 which equals 0
+ 4424 × 20 resulting in 88480
+ 4424 × 800 yielding 3539200
+ 4424 × 1000 what gives us 4424000

= 8051680
