Xiaohua spent 2 yuan, 9 cents and 3 cents to buy a pen, and 3.47 yuan more to buy a notepad than to buy a pen.
小华买钢笔用去2元9角3分，买记事本比买钢笔多用去3.47元，买钢笔和记事本一共用去多少钱？
<gadget id="calculator">9 / 10</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">3 / 100</gadget>
<output>3/100 = around 0.03</output>

<gadget id="calculator">2 + (9/10) + (3/100)</gadget>
<output>293/100 = around 2.93</output>

<gadget id="calculator">(293/100) + 3.47 + (293/100)</gadget>
<output>9.33</output>

<result>9.33</result>