Given the stream of consciousness rationale, provide a reasonable question and answer. Rationale: We have 2 kg = 2 * 1000 = 2000 g. So, the number of bars of chocolate is 2000 / 125 = 16.
 The question and answer:
A chocolate bar weighs 125 g. A shopkeeper has just received a 2 kilogram box of chocolate. How many bars does this represent?
The answer is 16