Yes, there was a reason they did it that way. They were unable to comprehend that +4+3 = +7.
I found it "lacking" because it was tedious and exasperating to stand there with a little pocket calculator adding 4, then adding 3, to make price tags for hundreds of items, one at a time.
I found it "lacking" because it was tedious and exasperating to stand there with a little pocket calculator adding 4, then adding 3, to make price tags for hundreds of items, one at a time.