Xiao Ming's mother is 32 years old this year, which is 6.4 times that of Xiao Ming. When Xiao Ming's mother's age is 3.7 times that of Xiao Ming, how old is Xiao Ming? (column equation solution)
小明的妈妈今年32岁，是小明的6.4倍．当小明的妈妈的年龄是小明的3.7倍时，小明多少岁？(列方程解答)
<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>