Column calculation: the number 3 less than (2/3) of x is (1/5), find x.
列式计算：比x的(2/3)少3的数是(1/5)，求x．
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">3 + (1/5)</gadget>
<output>16/5 = around 3.2</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">(16/5) / (2/3)</gadget>
<output>24/5 = around 4.8</output>

<result>24/5 = around 4.8</result>