There are 20 questions in a certain mathematics test, 5 points are awarded for each correct question, 1 point is deducted for each incorrect question, and 0 points are given for failure to do so. Xiaohua scored 76 points, how many questions did he get right?
某次数学测验共20题，做对一题得5分，做错一题倒扣1分，不做得0分．小华得了76分，问他做对几题？
<gadget id="calculator">20 * 5</gadget>
<output>100</output>

<gadget id="calculator">100 - 76</gadget>
<output>24</output>

<gadget id="calculator">5 + 1</gadget>
<output>6</output>

<gadget id="calculator">24 / 6</gadget>
<output>4</output>

<gadget id="calculator">20 - 4</gadget>
<output>16</output>

<result>16</result>