A glass of sugar water weighs 500 grams and contains sugar (3/10). After drinking this glass of sugar water (3/5), how many grams of sugar are in the remaining sugar water?
一杯糖水重500克，含糖(3/10)，把这杯糖水喝掉(3/5)，剩下的糖水中含糖多少克？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">500 * (3/5)</gadget>
<output>300</output>

<gadget id="calculator">500 - 300</gadget>
<output>200</output>

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

<gadget id="calculator">200 * (3/10)</gadget>
<output>60</output>

<result>60</result>