Li Ming is 12 years old this year, 2 years older than his father's age (1/4). How old is his father this year?
李明今年12岁，比爸爸年龄的(1/4)多2岁，爸爸今年几岁？
<gadget id="calculator">12 - 2</gadget>
<output>10</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">10 / (1/4)</gadget>
<output>40</output>

<result>40</result>