The school holds an art exhibition. Each student prepares 0.75 meters of fabric, and the price of the fabric is 4.6 yuan per meter. If there are 50 students in Class 5 and 2, how much does it cost to buy the fabric?
学校举办一次艺术品展览，每个学生准备布料0.75米，布料每米售价为4.6元，如果五2班有学生50人，买布料共花多少钱？
<gadget id="calculator">0.75 * 4.6 * 50</gadget>
<output>172.5</output>

<result>172.5</result>