When a=0.5, b=(1/4), what is a/b+ab equal to?
当a=0.5，b=(1/4)时，a/b+ab等于多少？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">0.5 / (1/4)</gadget>
<output>2</output>

<gadget id="calculator">0.5 * (1/4)</gadget>
<output>0.125</output>

<gadget id="calculator">2 + 0.125</gadget>
<output>2.125</output>

<result>2.125</result>