Xiao Di's mother is 32 years old, and his age is 6.4 times of Xiao Di's age. When Xiao Di's mother's age is 3.7 times of Xiao Di's age, how old is Xiao Di?
小迪的妈妈今年32岁，他的年龄是小迪年龄的6.4倍．当小迪妈妈的年龄是小迪年龄的3.7倍时，小迪多少岁．
<gadget id="calculator">32 / 6.4</gadget>
<output>5</output>

<gadget id="calculator">32 - 5</gadget>
<output>27</output>

<gadget id="calculator">3.7 - 1</gadget>
<output>2.7</output>

<gadget id="calculator">27 / 2.7</gadget>
<output>10</output>

<result>10</result>