A restaurant uses an average of 330 pairs of disposable chopsticks per day. How many pairs of disposable chopsticks does this restaurant use every month (calculated on a 30-day basis)?
一个饭馆平均每天用掉330双一次性筷子，这个饭馆每个月(按30天计算)用掉多少双一次性筷子？
<gadget id="calculator">330 * 30</gadget>
<output>9_900</output>

<result>9_900</result>