This year Xiaoxiang, his father and mother are 5, 48 and 42 years old respectively. How many years later, the age of father and mother is 6 times that of Xiaoxiang.
今年小翔和爸爸、妈妈的年龄分别是5岁、48岁、42岁．多少年后爸爸、妈妈的年龄和是小翔的6倍．
<gadget id="calculator">5 * 6</gadget>
<output>30</output>

<gadget id="calculator">42 - 30</gadget>
<output>12</output>

<gadget id="calculator">48 + 12</gadget>
<output>60</output>

<gadget id="calculator">6 - 2</gadget>
<output>4</output>

<gadget id="calculator">60 / 4</gadget>
<output>15</output>

<result>15</result>