The label on the medicine bottle reads "0.2mg (mg) * 60 capsules per bottle; usage and dosage: 0.4mg each time, 3 times a day", according to a course of treatment for 5 days, how many courses of treatment can one bottle of medicine take.
药瓶上的标签写着"每瓶装0.2mg(毫克)*60粒；用法用量：每天3次，每次0.4mg"，按5天一个疗程，一瓶药可以服用多少个疗程．
<gadget id="calculator">0.4 * 3 * 5</gadget>
<output>6</output>

<gadget id="calculator">60 / 6</gadget>
<output>10</output>

<gadget id="calculator">0.2 * 10</gadget>
<output>2</output>

<result>2</result>