There are 42 students in Class 4 and 1, and each set of school uniform is 115 yuan. How much does the whole class have to pay for school uniforms?
四1班有42名同学，每套校服115元．全班同学买校服一共要付多少钱？
<gadget id="calculator">115 * 42</gadget>
<output>4_830</output>

<result>4_830</result>