The supermarket shipped 12 boxes of mangoes, a total of 360 kilograms. Every 18 kilograms of mangoes are packed in a box. How many boxes can these mangoes hold?
超市运来12箱芒果，共360千克，每18千克芒果装一盒，这些芒果能装多少盒．
<gadget id="calculator">360 / 18</gadget>
<output>20</output>

<result>20</result>