What is the quotient of the difference obtained by subtracting 1.8 (5/9) from 7.8 and dividing it by 3.4
7.8减去1.8的(5/9)所得的差，除3.4，商是多少
<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">1.8 * (5/9)</gadget>
<output>1</output>

<gadget id="calculator">7.8 - 1</gadget>
<output>6.8</output>

<gadget id="calculator">3.4 / 6.8</gadget>
<output>0.5</output>

<result>0.5</result>