Grandpa is 96 years old this year, father's age is grandpa's (1/2), Xiaohong's age is father's (1/4), how old is Xiaohong this year?
爷爷今年96岁，爸爸的年龄是爷爷的(1/2)，小红的年龄是爸爸的(1/4)，小红今年多少岁？
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

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

<gadget id="calculator">96 * (1/2) * (1/4)</gadget>
<output>12</output>

<result>12</result>