The school bought a batch of basketballs and footballs, including 25 basketballs. The ratio of the number of footballs to basketballs is 7:5. How many balls did the school buy in total?
学校买来一批篮球和足球，其中篮球25个，足球和篮球个数比是7：5，学校共买了多少个球？
<gadget id="calculator">25 / 5</gadget>
<output>5</output>

<gadget id="calculator">7 + 5</gadget>
<output>12</output>

<gadget id="calculator">5 * 12</gadget>
<output>60</output>

<result>60</result>