Solve the equation: (3/5): x=3.
解方程：(3/5)：x=3．
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">(3/5) / 3</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>