If 5 times of a number is 0.5 less than 8 times of this number, what is 60% of this number?
一个数的5倍，比这个数的8倍少0.5，这个数的60%是多少．
<gadget id="calculator">8 - 5</gadget>
<output>3</output>

<gadget id="calculator">0.5 / 3</gadget>
<output>0.166667</output>

<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">0.166667 * (3/5)</gadget>
<output>0.1</output>

<result>0.1</result>