The father's age is more than 7 times the son's age 1, if the father's age is 36 years old, what is the son's age.
父亲的年龄是儿子的年龄的7倍多1，若父亲的年龄是36岁，则儿子的年龄为多少．
<gadget id="calculator">36 - 1</gadget>
<output>35</output>

<gadget id="calculator">35 / 7</gadget>
<output>5</output>

<result>5</result>