Mother is 38 years old this year, which is 4 times Xiaohong's age and 2 years younger. How old is Xiaohong this year?
妈妈今年38岁，是小红年龄的4倍少2岁，小红今年多少岁？
<gadget id="calculator">38 + 2</gadget>
<output>40</output>

<gadget id="calculator">40 / 4</gadget>
<output>10</output>

<result>10</result>