A knapsack sprayer, the volume of the liquid medicine tank is 14L. If 700 ml of liquid medicine is sprayed per minute, how many minutes does it take to spray a box of liquid medicine?
一种背负式喷雾器，药液箱的容积是14L．如果每分钟喷出药液700亳升，喷完一箱药液需用多少分钟？
<gadget id="calculator">14_000 / 700</gadget>
<output>20</output>

<result>20</result>