What is the quotient of 20 minus the sum of 11.2 and 4.54 divided by 4.26?
20减去11.2与4.54的和所得的差除以4.26，商是多少？
<gadget id="calculator">11.2 + 4.54</gadget>
<output>15.74</output>

<gadget id="calculator">20 - 15.74</gadget>
<output>4.26</output>

<gadget id="calculator">4.26 / 4.26</gadget>
<output>1</output>

<result>1</result>