There are two colored ribbons, red and yellow. The red ribbon is 280 meters long, and the yellow ribbon is 220 meters long. Now cut the same length from the two ribbons, the remaining length of the red ribbon is 3 times that of the yellow ribbon. What is the length of the cut ribbon?
有红黄两根彩带，红彩带长280米，黄彩带长220米．现在从这两根彩带剪去相同的长度，红菜带剩下的长度是黄彩带的3倍．剪去的彩带的长度是多少？
<gadget id="calculator">3 * 220</gadget>
<output>660</output>

<gadget id="calculator">660 - 280</gadget>
<output>380</output>

<gadget id="calculator">3 - 1</gadget>
<output>2</output>

<gadget id="calculator">380 / 2</gadget>
<output>190</output>

<result>190</result>