What is the difference when subtracting the quotient of (7/3) divided by (1/3) from the reciprocal of (5/3)?
从(5/3)的倒数里减去(7/3)除(1/3)的商，差是多少？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">7 / 3</gadget>
<output>7/3 = around 2.333333</output>

<gadget id="calculator">(1/3) / (7/3)</gadget>
<output>1/7 = around 0.142857</output>

<gadget id="calculator">(3/5) - (1/7)</gadget>
<output>16/35 = around 0.457143</output>

<result>16/35 = around 0.457143</result>