Divide their sum by the difference between 0.7 and 2.3, what is the quotient?
用0.7与2.3的差去除它们的和，商是多少？
<gadget id="calculator">2.3 + 0.7</gadget>
<output>3</output>

<gadget id="calculator">2.3 - 0.7</gadget>
<output>1.6</output>

<gadget id="calculator">3 / 1.6</gadget>
<output>1.875</output>

<result>1.875</result>