Xiaoling is 12 years old this year, and her mother is 40 years old. What is the sum of the ages of the mother and daughter when the age of the mother is 5 times that of the daughter?
今年小玲12岁，妈妈40岁．当妈妈的年龄是女儿5倍的时候，母女两人年龄的和是多少岁．
<gadget id="calculator">40 - 12</gadget>
<output>28</output>

<gadget id="calculator">5 - 1</gadget>
<output>4</output>

<gadget id="calculator">28 / 4</gadget>
<output>7</output>

<gadget id="calculator">7 + 28</gadget>
<output>35</output>

<gadget id="calculator">7 + 35</gadget>
<output>42</output>

<result>42</result>