Mom bought a box of fruit candies for Xiaojun. If he eats 3 capsules a day, he can eat it for 30 days. If he only eats 2 capsules a day, how many days can he eat.
妈妈给小军买了一盒水果糖，每天吃3粒则能吃30天，如果每天只吃2粒，能吃多少天．
<gadget id="calculator">30 / 2</gadget>
<output>15</output>

<gadget id="calculator">3 * 15</gadget>
<output>45</output>

<result>45</result>