After drinking 8/5L of a bottle of Sprite, there is 3/5L left, pour the rest into a cup with a capacity of 3/10L, how many cups can be filled at most.
一瓶雪碧喝了8/5L后，还剩3/5L，把剩下的倒在一个容量是3/10L的杯子里，最多能倒满多少杯．
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">(3/5) / (3/10)</gadget>
<output>2</output>

<result>2</result>