The turnover of a shopping mall in July was 1.2 million yuan, and the turnover in August was 1.5 million yuan. How much did the turnover increase in August?
某商场七月份营业额为120万元，八月份营业额为150万元，八月份营业额增长了百分之几？
<gadget id="calculator">150 - 120</gadget>
<output>30</output>

<gadget id="calculator">30 / 120</gadget>
<output>1/4 = around 0.25</output>

<result>1/4 = around 0.25</result>