The turnover of a shopping mall in January was 3.2 million yuan, and the percentage in February increased by (1/4) compared with January. How much is the turnover in February?
某商场一月份的营业额是320万元，二月分比一月份增加了(1/4)，二月份的营业额是多少万元？
<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">320 * (5/4)</gadget>
<output>400</output>

<result>400</result>