Teacher Wang plans to buy 3 pens at 8 yuan each. Now she buys 6 yuan each. How many pens can she buy?
王老师计划买3支钢笔，每支8元，现在她改买每支6元的钢笔，可以买多少支？
<gadget id="calculator">3 / 6</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">8 * (1/2)</gadget>
<output>4</output>

<result>4</result>