Li Hua took 200 yuan to buy movie tickets. Bought 3 adult tickets and 4 child tickets. For the remaining money, if you buy a child ticket, there is an extra 5 yuan; if you buy an adult ticket, there is still a difference of 10 yuan. How much is each adult ticket.
李华拿200元饯去买电影票．买了3张成人票和4张儿童票．剩下的钱如果买1张儿童票还多5元；如果买1张成人票还差10元．每张成人票多少元．
<gadget id="calculator">10 + 5</gadget>
<output>15</output>

<gadget id="calculator">15 * 4</gadget>
<output>60</output>

<gadget id="calculator">200 - 5</gadget>
<output>195</output>

<gadget id="calculator">60 + 15 + 195</gadget>
<output>270</output>

<gadget id="calculator">3 + 4 + 1</gadget>
<output>8</output>

<gadget id="calculator">270 / 8</gadget>
<output>135/4 = around 33.75</output>

<result>135/4 = around 33.75</result>