In the last exam, Wang Ming scored an average of 75 in Chinese and Mathematics, 90 in Mathematics and English, and 82.5 in Chinese and English. Which subject scored the lowest? How much is it?
王明在上次考试中，语文、数学平均75分，数学、英语平均90分，语文、英语平均82.5分，哪一科成绩最低？是多少分？
<gadget id="calculator">75 * 2</gadget>
<output>150</output>

<gadget id="calculator">90 * 2</gadget>
<output>180</output>

<gadget id="calculator">82.5 * 2</gadget>
<output>165</output>

<gadget id="calculator">150 + 180 + 165</gadget>
<output>495</output>

<gadget id="calculator">495 / 2</gadget>
<output>495/2 = around 247.5</output>

<gadget id="calculator">(495/2) - 180</gadget>
<output>135/2 = around 67.5</output>

<result>135/2 = around 67.5</result>