Alright, let's work through 3189 times 615 step by step
3189 × 615 = 615 × (3189)
+ 615 × 9 producing 5535
+ 615 × 80 that results in 49200
+ 615 × 100 that results in 61500
+ 615 × 3000 that equals 1845000

= 1961235
