The price of mathematics books for the first volume of the fifth grade is 5.05 yuan each. There are 47 students in Class 5 1 and 53 students in Class 5 2. How much does it cost the country to provide math books for these two classes?
五年级上册数学书的价格是每本5.05元，五1班有47人，五2班有53人，国家为这两个班配置数学书共需花费多少钱？
<gadget id="calculator">47 + 53</gadget>
<output>100</output>

<gadget id="calculator">100 * 5.05</gadget>
<output>505</output>

<result>505</result>