Wang Gang, Li Qiang, Xiaoli, and Xiaofang are two couples. The combined age of the four is 132. The husband is 5 years older than his wife, and Li Qiang is 6 years older than Xiaofang. How old is Xiao Li?
王刚、李强和小莉、小芳是两对夫妻，四人的年龄和为132，丈夫都比妻子大5岁，李强比小芳大6岁．小莉多少岁．
<gadget id="calculator">132 + 1 + 6 + 5</gadget>
<output>144</output>

<gadget id="calculator">144 / 4</gadget>
<output>36</output>

<gadget id="calculator">36 - 5</gadget>
<output>31</output>

<result>31</result>