The purchase price of a certain color TV set is 2,000 yuan, and the selling price is 2,300 yuan. What percentage is the profit?
某款彩色电视机的进价是2000元，售价是2300元，盈利百分之几？
<gadget id="calculator">2_300 - 2_000</gadget>
<output>300</output>

<gadget id="calculator">300 / 2_000</gadget>
<output>3/20 = around 0.15</output>

<result>3/20 = around 0.15</result>