There are 120 tablets in a bottle, marked as "3 times a day, 2 tablets each time". How many days can this bottle of medicine be taken?
一瓶药片共120片，标注为"每日3次，每次2片"．这瓶药可以吃多少天？
<gadget id="calculator">3 * 2</gadget>
<output>6</output>

<gadget id="calculator">120 / 6</gadget>
<output>20</output>

<result>20</result>