According to statistics, there were 6.3 million college graduates nationwide last year. Last year, the number of college graduates nationwide was 4.8% higher than that of the previous year. How many million college graduates were there last year?
据统计，前年全国高校毕业生达630万人，去年全国高校毕业生人数比前年多4.8%，去年全国高校毕业生有多少万人？
<gadget id="calculator">4.8 / 100</gadget>
<output>0.048</output>

<gadget id="calculator">1 + 0.048</gadget>
<output>1.048</output>

<gadget id="calculator">630 * 1.048</gadget>
<output>660.24</output>

<result>660.24</result>