First of all, for the convenience of calculating the weight, 125g is a small box, 12 is a box, and a box is 1500g. The multiple of 1.5kg is easier to calculate.

Then there is the higher unit price of blueberries. If you sell by the catty, domestic products will cost tens of dollars a catty, a small box of 125g, and a box of several dollars and a dozen dollars will be enough for most people.