On Children's Day, the teachers bought performance costumes for the children, and the money to buy 5 T-shirts and 7 pairs of shorts was the same. 25 yuan per pair of shorts, how much does each T-shirt cost?
六一儿童节，老师们为小朋友购买演出服装，买5件T恤和7条短裤的钱同样多．每条短裤25元，每件T恤要多少元？
<gadget id="calculator">7 / 5</gadget>
<output>7/5 = around 1.4</output>

<gadget id="calculator">25 * (7/5)</gadget>
<output>35</output>

<result>35</result>