What is the quotient of dividing 4.9 by twice the sum of 4.15 and 0.75?
4.15与0.75的和的2倍去除4.9，商是多少？
<gadget id="calculator">4.15 + 0.75</gadget>
<output>4.9</output>

<gadget id="calculator">4.9 * 2</gadget>
<output>9.8</output>

<gadget id="calculator">4.9 / 9.8</gadget>
<output>0.5</output>

<result>0.5</result>