When a=(1/4), b=0.5, what is the value of 6a+5b.
当a=(1/4)，b=0.5时，6a+5b的值是多少．
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">6 * (1/4)</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">5 * 0.5</gadget>
<output>2.5</output>

<gadget id="calculator">(3/2) + 2.5</gadget>
<output>4</output>

<result>4</result>