Subtract the product of 1.2 and 1.5 from 4.6, divide the difference by 3.5, what is the quotient?
4.6减去1.2与1.5的积，所得的差除以3.5，商是多少？
<gadget id="calculator">1.2 * 1.5</gadget>
<output>1.8</output>

<gadget id="calculator">4.6 - 1.8</gadget>
<output>2.8</output>

<gadget id="calculator">2.8 / 3.5</gadget>
<output>0.8</output>

<result>0.8</result>