There are 150 pills in a bottle of medicine. Uncle Wang takes 2 pills for 3 meals a day. How many days is this bottle of medicine enough for him?
一瓶药有150粒，王大爷每天吃3顿，每顿吃2粒，这瓶药够他吃几天？
<gadget id="calculator">3 * 2</gadget>
<output>6</output>

<gadget id="calculator">150 / 6</gadget>
<output>25</output>

<result>25</result>