Divide the quotient of 4 by 1.8, add 3, and multiply by 2, what is the product?
4除1.8的商，加上3，再乘2，积是多少？
<gadget id="calculator">1.8 / 4</gadget>
<output>0.45</output>

<gadget id="calculator">0.45 + 3</gadget>
<output>3.45</output>

<gadget id="calculator">3.45 * 2</gadget>
<output>6.9</output>

<result>6.9</result>