What is the result of the sum of 0.87 and 0.38 and the difference of 9 minus 2.85?
0.87与0.38的和，去除9减去2.85的差，结果是多少．
<gadget id="calculator">9 - 2.85</gadget>
<output>6.15</output>

<gadget id="calculator">0.87 + 0.38</gadget>
<output>1.25</output>

<gadget id="calculator">6.15 / 1.25</gadget>
<output>4.92</output>

<result>4.92</result>