18 boxes of bees can produce 990 kilograms of honey a year. Lili's family has 6 boxes of such bees. How much honey can be produced in a year?
18箱蜜蜂一年可以酿蜂蜜990千克，丽丽家养了这样的蜜蜂6箱，一年可以酿蜜多少千克？
<gadget id="calculator">990 / 18</gadget>
<output>55</output>

<gadget id="calculator">55 * 6</gadget>
<output>330</output>

<result>330</result>