Alright, let's work through 1379 times 9031 step by step
1379 × 9031 = 9031 × (1379)
+ 9031 × 9 that is equal 81279
+ 9031 × 70 that equals 632170
+ 9031 × 300 what gives us 2709300
+ 9031 × 1000 that equals 9031000

= 12453749
