The pain is a lesser problem than getting chronic kidney infections. If you know the stones are the cause, you need to see a urologist to figure out a solution. Recurring inflammation from the stones and infections can cause more and more problems as you age, and may potentially affect your renal function down the line.
If you have 1 of 1 bag of apples, you have 1 bag (1x1=1).
If you have 2 of 1 bag of apples, you have 2 bags (2x1=2).
If you have 3 of 1 bag of apples, you have 3 bags (3x1=3).
And so on…