Nutrition experts believe that each person should drink a glass of milk (about 200 grams). Chongqing has a population of about 35 million. If each person in Chongqing drinks a glass of milk a day, how many tons of milk will be needed in a year?
营养专家认为每人应当饮用一杯牛奶(约200克)．重庆约有3500万人口，如果重庆每人每天喝一杯牛奶，一年大约需要多少吨牛奶？
<gadget id="calculator">3_500 * 10_000</gadget>
<output>35_000_000</output>

<gadget id="calculator">0.0002 * 35_000_000 * 365</gadget>
<output>2_555_000</output>

<result>2_555_000</result>