The fifth grade held a mathematics competition. There were 10 questions in total. 8 points were awarded for each correct question, and 5 points were deducted for every wrong question. Zhang Hua answered all of them, but only scored 41 points. How many questions did he get right?
五年级举行数学竞赛，共10个赛题，每做对一题得8分，错一题倒扣5分，张华全部解答，但只得41分，他做对多少题．
<gadget id="calculator">10 * 8</gadget>
<output>80</output>

<gadget id="calculator">80 - 41</gadget>
<output>39</output>

<gadget id="calculator">5 + 8</gadget>
<output>13</output>

<gadget id="calculator">39 / 13</gadget>
<output>3</output>

<gadget id="calculator">10 - 3</gadget>
<output>7</output>

<result>7</result>