Three days of fishing, two days of drying the net, according to this method, how many days are you fishing in 100 days?
三天打鱼、两天晒网，按照这样的方式，在100天内打鱼的天数是多少．
<gadget id="calculator">100 / 5</gadget>
<output>20</output>

<gadget id="calculator">20 * 3</gadget>
<output>60</output>

<result>60</result>