What is the result of multiplying the sum of 0.18 and 2.6 by 3.8?
0.18与2.6的和乘3.8，结果是多少？
<gadget id="calculator">0.18 + 2.6</gadget>
<output>2.78</output>

<gadget id="calculator">2.78 * 3.8</gadget>
<output>10.564</output>

<result>10.564</result>