What is the quotient of the sum of 1.3 and (4/5) divided by the difference between 3 and (2/3)?
1.3与(4/5)的和除以3与(2/3)的差，商是多少？
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1.3 + (4/5)</gadget>
<output>2.1</output>

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

<gadget id="calculator">3 - (2/3)</gadget>
<output>7/3 = around 2.333333</output>

<gadget id="calculator">2.1 / (7/3)</gadget>
<output>0.9</output>

<result>0.9</result>