What is the quotient of dividing 9 by 4.5, subtracting 0.3, and multiplying by 8?
9除以4.5的商，减去0.3，再乘8积是多少？
<gadget id="calculator">9 / 4.5</gadget>
<output>2</output>

<gadget id="calculator">2 - 0.3</gadget>
<output>1.7</output>

<gadget id="calculator">1.7 * 8</gadget>
<output>13.6</output>

<result>13.6</result>