There are 30 liters of water, how many bottles can be poured into a bottle with a bottom area of 5 cm2 and a height of 3 cm.
有水30升，倒入一个底面积为5平方厘米，高3厘米的瓶子里可以倒多少瓶．
<gadget id="calculator">5 * 3</gadget>
<output>15</output>

<gadget id="calculator">1_000 / 15</gadget>
<output>200/3 = around 66.666667</output>

<gadget id="calculator">30 * (200/3)</gadget>
<output>2_000</output>

<result>2_000</result>