The price of 3 pens is equal to the price of 12 ballpoint pens. Each pen is 24 yuan. How much is each ballpoint pen?
3支钢笔的价钱和12支圆珠笔的价钱相等，每支钢笔24元，每支圆珠笔多少元？
<gadget id="calculator">3 / 12</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">24 * (1/4)</gadget>
<output>6</output>

<result>6</result>