There are two colored ribbons, the first is 42 cm long and the second is 27 cm long. After cutting the same length from two colored ribbons, the remaining length of the first one is four times that of the second one. How many centimeters are cut off from the two colored ribbons?
有两根彩带，第一根长42厘米，第二根长27厘米．两根彩带剪去同样长的一段后，第一根剩下的长度是第二根的4倍，这两根彩带分别剪去多少厘米？
<gadget id="calculator">4 * 27</gadget>
<output>108</output>

<gadget id="calculator">108 - 42</gadget>
<output>66</output>

<gadget id="calculator">4 - 1</gadget>
<output>3</output>

<gadget id="calculator">66 / 3</gadget>
<output>22</output>

<result>22</result>