The price of a pen is 10 yuan, and the price of a ballpoint pen is 60% of this pen. How much is this ballpoint pen?
一支钢笔的价格为10元，一支圆珠笔的价格是这支钢笔的60%，这支圆珠笔多少钱？
<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">10 * (3/5)</gadget>
<output>6</output>

<result>6</result>