Subtract the product of 2.7 times 1.5 from 5.15, and divide the difference by 0.22. What is the quotient?
5.15减去2.7乘1.5的积，所得的差去除0.22，商是多少？
<gadget id="calculator">2.7 * 1.5</gadget>
<output>4.05</output>

<gadget id="calculator">5.15 - 4.05</gadget>
<output>1.1</output>

<gadget id="calculator">0.22 / 1.1</gadget>
<output>0.2</output>

<result>0.2</result>