Given the stream of consciousness rationale, provide a reasonable question and answer. Rationale: The pistachios cost 10 / 5 = $2 per ounce. He eats 30 / 5 = 6 ounces of pistachios a day. So he spends 6 * 2 = $12 per day on pistachios. So he spends 12 * 7 = $84 per week.
The question and answer:
James buys pistachios for $10 per can. Each can is 5 ounces. He eats 30 ounces of pistachios every 5 days. How much does he spend on pistachios per week?
The answer is 84