The sales revenue of Hualing Company in April was 12 million yuan, which was 25% less than that in March. How much is the sales income in March?
华菱公司四月份完成销售收入1200万元，比三月份减少二成五，三月份完成销售收入多少万元？
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1_200 / (3/4)</gadget>
<output>1_600</output>

<result>1_600</result>