Jim (brother), Kate (sister), Lin Tao (brother), and Lin Mei (sister) are two pairs of brothers and sisters. Among them, the elder brother is 4 years older than the younger sister, and Lin Tao is 3 years older than Jim. It is known that the sum of the ages of the four of them is 62 years old. So, what is Kate's age?
吉姆(哥)、凯特(妹)和林涛(哥)、林梅(妹)是两对兄妹．其中哥哥都比妹妹大4岁，且林涛比吉姆大3岁，已知他们四人的年龄和是62岁．那么，凯特的年龄是多少岁．
<gadget id="calculator">62 - 3 - 3</gadget>
<output>56</output>

<gadget id="calculator">4 + 4 + 56</gadget>
<output>64</output>

<gadget id="calculator">1 + 1 + 1 + 1</gadget>
<output>4</output>

<gadget id="calculator">64 / 4</gadget>
<output>16</output>

<gadget id="calculator">16 - 4</gadget>
<output>12</output>

<result>12</result>