What is the quotient of dividing the difference between 8.2 and 1.2 by the sum of 2.5 and 1.5?
用2.5和1.5的和去除8.2与1.2的差，商是多少？
<gadget id="calculator">8.2 - 1.2</gadget>
<output>7</output>

<gadget id="calculator">2.5 + 1.5</gadget>
<output>4</output>

<gadget id="calculator">7 / 4</gadget>
<output>7/4 = around 1.75</output>

<result>7/4 = around 1.75</result>