Lili scored 70 points in the math competition. It is known that there are 10 questions in this competition. If you get a question right, you will get 10 points, and if you get a wrong question, you will be deducted 5 points. Can you figure out how many questions Lili got right?
丽丽参加数学竞赛得了70分．已知这次竞赛共有10道题，做对一题得10分，做错一题要倒扣分5分，你能算出丽丽做对了多少题？
<gadget id="calculator">10 * 10</gadget>
<output>100</output>

<gadget id="calculator">100 - 70</gadget>
<output>30</output>

<gadget id="calculator">10 + 5</gadget>
<output>15</output>

<gadget id="calculator">30 / 15</gadget>
<output>2</output>

<gadget id="calculator">10 - 2</gadget>
<output>8</output>

<result>8</result>