The sales volume of "Convenience Supermarket" in the first quarter was 150,000 yuan, and the sales volume in the second quarter was 165,000 yuan. By what percentage did sales in the second quarter increase over the first quarter?
"便民超市"第一季度的销售额为15万元，第二季度的销售额为16.5万元．第二季度的销售额比第一季度增长了百分之几？
<gadget id="calculator">16.5 - 15</gadget>
<output>1.5</output>

<gadget id="calculator">1.5 / 15</gadget>
<output>0.1</output>

<result>0.1</result>