(3/5) of a number is 28 less than its 2 times, what is this number?
一个数的(3/5)比它的2倍少28，这个数是多少？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">2 - (3/5)</gadget>
<output>7/5 = around 1.4</output>

<gadget id="calculator">28 / (7/5)</gadget>
<output>20</output>

<result>20</result>