The turnover of a shopping mall in the second half of January is 4.8 million yuan, an increase of (1/4) compared with the first half month. How much is the turnover in January?
某商场一月份下半月的营业额480万元，比上半月增加了(1/4)，一月份营业额多少万元？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">480 / (5/4)</gadget>
<output>384</output>

<gadget id="calculator">384 + 480</gadget>
<output>864</output>

<result>864</result>