A weekly newspaper is 1.5 yuan, and an evening newspaper is 0.5 yuan. Grandpa Tian’s newsstand sold 85 weekly newspapers and several evening newspapers yesterday, and received a total of 230 yuan. How many evening papers did Grandpa Tian sell yesterday?
一份周报1.5元，一份晚报0.5元，田爷爷的报摊昨天卖出85份周报和若干份晚报，共收款230元．田爷爷昨天卖出多少份晚报？
<gadget id="calculator">1.5 * 85</gadget>
<output>127.5</output>

<gadget id="calculator">230 - 127.5</gadget>
<output>102.5</output>

<gadget id="calculator">102.5 / 0.5</gadget>
<output>205</output>

<result>205</result>