Alright, let's work through 1805 times 9644 step by step
1805 × 9644 = 9644 × (1805)
+ 9644 × 5 producing 48220
+ 9644 × 00 giving us 0
+ 9644 × 800 that results in 7715200
+ 9644 × 1000 that equals 9644000

= 17407420
