What is the sum of the difference between 2.3 minus 1.8 and the quotient of 1.25 divided by 0.25?
2.3减去1.8的差，加上1.25除以0.25的商，和是多少？
<gadget id="calculator">2.3 - 1.8</gadget>
<output>0.5</output>

<gadget id="calculator">1.25 / 0.25</gadget>
<output>5</output>

<gadget id="calculator">0.5 + 5</gadget>
<output>5.5</output>

<result>5.5</result>