Sales in May increased by 15% compared to April. What is the sales volume in May compared to April?
五月份销售额比四月份增加15%，五月份销售额是四月份的多少．
<gadget id="calculator">15 / 100</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">1 + (3/20)</gadget>
<output>23/20 = around 1.15</output>

<result>23/20 = around 1.15</result>