What is the sum of the quotient of 0.2 divided by 1.56 and the product of three 0.4?
0.2除1.56的商，加上三个0.4的积，和是多少？
<gadget id="calculator">1.56 / 0.2</gadget>
<output>7.8</output>

<gadget id="calculator">0.4 * 0.4 * 0.4</gadget>
<output>0.064</output>

<gadget id="calculator">7.8 + 0.064</gadget>
<output>7.864</output>

<result>7.864</result>