Alright, let's work through 2031 times 830 step by step
2031 × 830 = 830 × (2031)
+ 830 × 1 which equals 830
+ 830 × 30 that equals 24900
+ 830 × 000 what gives us 0
+ 830 × 2000 producing 1660000

= 1685730
