Alright, let's work through 1631 times 2886 step by step
1631 × 2886 = 2886 × (1631)
+ 2886 × 1 producing 2886
+ 2886 × 30 that is equal 86580
+ 2886 × 600 which equals 1731600
+ 2886 × 1000 what gives us 2886000

= 4707066
