Xiao Min brought 40 yuan and bought a compasses (1/5). I bought a pen with the remaining money (3/4). How much is this pen?
小敏带了40元钱，买-个圆规花了(1/5)．又用剩下钱的(3/4)买了一支钢笔．这支钢笔多少钱？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">40 * (1/5)</gadget>
<output>8</output>

<gadget id="calculator">40 - 8</gadget>
<output>32</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">32 * (3/4)</gadget>
<output>24</output>

<result>24</result>