The volume of the medicine box of a sprayer is 13 liters, if 65 milliliters of medicine solution is sprayed out every minute, how many minutes does it take to spray a box of medicine solution.
一个喷雾器的药箱容积是13升，如果每分钟喷出药液65毫升，喷完一箱药液需要用多少分钟．
<gadget id="calculator">1_000 / 65</gadget>
<output>200/13 = around 15.384615</output>

<gadget id="calculator">13 * (200/13)</gadget>
<output>200</output>

<result>200</result>