Definition: a※b=(1/2)a+(1/3)b, calculation: (1/3)※(1/4)=how much.
定义：a※b=(1/2)a+(1/3)b，计算：(1/3)※(1/4)=多少．
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<result>1/4 = around 0.25</result>