A company sells color TVs at the original price and makes a profit of 60 yuan per set. Now that the price is reduced, the sales volume of color TVs has doubled and the total profit has increased by 0.5 times. How much is the price cut for each color TV set?
某公司彩电按原价销售，每台获利润60元；现在降价销售，结果彩电销量增加了1倍，获得的总利润增加了0.5倍，则每台彩电降价多少元？
<gadget id="calculator">1 * 60</gadget>
<output>60</output>

<gadget id="calculator">1 + 0.5</gadget>
<output>1.5</output>

<gadget id="calculator">1.5 / 2</gadget>
<output>0.75</output>

<gadget id="calculator">60 * 0.75</gadget>
<output>45</output>

<gadget id="calculator">60 - 45</gadget>
<output>15</output>

<result>15</result>