woman, in middle age, was very reluctant to mention her age, but she did not want to lie. One day, someone asked her age, and she had no choice but to tell the truth: "Six times my age four years from now minus six times my age three years ago is my current age." How old is this woman? ．
一位妇人，人到中年，很不愿提起自己的年龄，但她又不愿说谎．一天，有人问及她的年龄，她只好实话实说："我4年后的年龄的6倍减去我3年前的年龄的6倍，就是我现在的年龄．"这位妇人今年多少岁．
<gadget id="calculator">6 * 4</gadget>
<output>24</output>

<gadget id="calculator">6 * 3</gadget>
<output>18</output>

<gadget id="calculator">24 + 18</gadget>
<output>42</output>

<gadget id="calculator">1 - 6</gadget>
<output>-5</output>

<gadget id="calculator">6 + (-5)</gadget>
<output>1</output>

<gadget id="calculator">42 / 1</gadget>
<output>42</output>

<result>42</result>