A set of school uniforms costs 136 yuan, and 25 sets of school uniforms are required on April 1. How much is the total cost?
一套校服要136元，四1要买25套校服，一共需要多少元钱？
<gadget id="calculator">136 * 25</gadget>
<output>3_400</output>

<result>3_400</result>