What is the quotient of 8.4 plus the product of 8.4 and 0.5 divided by 3?
8.4加上8.4与0.5的积的和除以3，商是多少？
<gadget id="calculator">8.4 * 0.5</gadget>
<output>4.2</output>

<gadget id="calculator">8.4 + 4.2</gadget>
<output>12.6</output>

<gadget id="calculator">12.6 / 3</gadget>
<output>4.2</output>

<result>4.2</result>