A set of school uniforms, each jacket is 35 yuan, and each pair of trousers is 25 yuan. A class has ordered 40 school uniforms. How much is the cost?
一套校服，上衣每件35元，裤子每条25元，某班订购了40套校服，需要多少元．
<gadget id="calculator">35 + 25</gadget>
<output>60</output>

<gadget id="calculator">60 * 40</gadget>
<output>2_400</output>

<result>2_400</result>