There are 20 questions in a certain mathematics test, 5 points are awarded for each correct question, and 1 point is deducted for each incorrect or non-answered question. Xiaohua scored 76 points. How many questions did Xiaohua get right?
某次数学测验共20道题，做对一题得5分，做错或不做一题倒扣1分．小华得了76分．问小华做对了几道题？
<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>