What is the sum of 8 plus the product of 3.5 and (2/5)?
8加上3.5与(2/5)的积，和是多少？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">3.5 * (2/5)</gadget>
<output>1.4</output>

<gadget id="calculator">8 + 1.4</gadget>
<output>9.4</output>

<result>9.4</result>