The school bought 25 volleyballs, and bought 15 more footballs than volleyballs. How many balls did they buy in total?
学校买来排球25个，买来的足球比排球多15个，两种球一共买来多少个？
<gadget id="calculator">15 + 25 + 25</gadget>
<output>65</output>

<result>65</result>