The net content of a bottle of soda is 1.2L. If such a bottle of soda is poured into a small cylindrical cup with an inner bottom area of 20cm**2 and a height of 12cm, how much can the cup be filled?
一瓶汽水的净含量是1.2L，把这样一瓶汽水倒入内底面积20cm**2，高12cm的圆柱形小杯中，能倒多少满杯．
<gadget id="calculator">12 / 1_000</gadget>
<output>3/250 = around 0.012</output>

<gadget id="calculator">20 * (3/250)</gadget>
<output>6/25 = around 0.24</output>

<gadget id="calculator">1.2 / (6/25)</gadget>
<output>5</output>

<result>5</result>