There are 120 tablets in one bottle. 3 times a day, 2 tablets each time, how many days can this bottle of medicine be taken?
一瓶药共120片．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>