The school cafeteria uses 800 pairs of chopsticks every day, and each pair of chopsticks is 0.03 yuan. How much does it cost to use chopsticks every month? (22 days per month)
学校食堂每天要用掉800双筷子，每双筷子0.03元，每一个月用掉的筷子要花去多少钱？(每个月开餐22天)
<gadget id="calculator">0.03 * 800 * 22</gadget>
<output>528</output>

<result>528</result>