Xiao Ming is 12 years old this year, exactly (1/3) his mother's age. How old is his mother this year?
小明今年12岁，正好是他妈妈年龄的(1/3)，妈妈今年多少岁？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">12 / (1/3)</gadget>
<output>36</output>

<result>36</result>