What is the result of subtracting the product of 3.2 and 1.5 from 8.6 and multiplying by 1.9?
8.6减去3.2与1.5的积，再乘1.9，得多少？
<gadget id="calculator">3.2 * 1.5</gadget>
<output>4.8</output>

<gadget id="calculator">8.6 - 4.8</gadget>
<output>3.8</output>

<gadget id="calculator">3.8 * 1.9</gadget>
<output>7.22</output>

<result>7.22</result>