Alright, let's work through 7643 times 4170 step by step
7643 × 4170 = 4170 × (7643)
+ 4170 × 3 giving us 12510
+ 4170 × 40 that results in 166800
+ 4170 × 600 which equals 2502000
+ 4170 × 7000 what gives us 29190000

= 31871310
