Subtract the sum of 11.2 and 2.6 from 20, and divide the difference by dividing 49.6. What is the quotient?
20减去11.2与2.6的和，所得的差去除49.6，商是多少？
<gadget id="calculator">11.2 + 2.6</gadget>
<output>13.8</output>

<gadget id="calculator">20 - 13.8</gadget>
<output>6.2</output>

<gadget id="calculator">49.6 / 6.2</gadget>
<output>8</output>

<result>8</result>