Xiao Ming is older than Xiao Gang this year (1/4). Xiao Gang is 12 years old this year. How old will Xiao Ming be next year?
今年小明比小刚的年龄多(1/4)，小刚今年12岁，小明明年多少岁．
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">12 * (5/4)</gadget>
<output>15</output>

<gadget id="calculator">15 + 1</gadget>
<output>16</output>

<result>16</result>