What is the difference between the product of 2.8 and 4 minus the quotient of 6.5 divided by 5?
2.8与4的积，减去6.5除以5的商，差是多少？
<gadget id="calculator">2.8 * 4</gadget>
<output>11.2</output>

<gadget id="calculator">6.5 / 5</gadget>
<output>1.3</output>

<gadget id="calculator">11.2 - 1.3</gadget>
<output>9.9</output>

<result>9.9</result>