Alright, let's work through 1790 times 1615 step by step
1790 × 1615 = 1615 × (1790)
+ 1615 × 0 that equals 0
+ 1615 × 90 that results in 145350
+ 1615 × 700 yielding 1130500
+ 1615 × 1000 that results in 1615000

= 2890850
