There are 6 bottles of Coke in a box, 3 cups can be poured from a bottle of Coke, how many cups can be poured in a box of Coke.
一箱可乐有6瓶，一瓶可乐可以倒了3杯，一箱可乐可以倒多少杯．
<gadget id="calculator">6 * 3</gadget>
<output>18</output>

<result>18</result>