What is the sum of the difference between 0.9 and (3/5) plus the quotient of 1 divided by 1.25?
0.9与(3/5)的差加上1除1.25的商，和是多少？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">0.9 - (3/5)</gadget>
<output>0.3</output>

<gadget id="calculator">1.25 / 1</gadget>
<output>1.25</output>

<gadget id="calculator">0.3 + 1.25</gadget>
<output>1.55</output>

<result>1.55</result>