The age of the mother this year is 42 years old, the age of the daughter is younger than the mother (2/3), how old is the daughter this year?
今年妈妈的年龄是42岁，女儿的年龄比妈妈少(2/3)，女儿今年几岁？
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">1 - (2/3)</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">42 * (1/3)</gadget>
<output>14</output>

<result>14</result>