A new calculation "※" is stipulated as: a※b=a*a-((b)/2), then (3※14)※(2/5)=how much.
规定一种新运算"※"为：a※b=a*a-((b)/2)，则(3※14)※(2/5)=多少．
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">2 - (1/5)</gadget>
<output>9/5 = around 1.8</output>

<result>9/5 = around 1.8</result>