What is the quotient of 7.5 minus 1.5 divided by 8.1?
7.5减去1.5的差去除8.1，商是多少？
<gadget id="calculator">7.5 - 1.5</gadget>
<output>6</output>

<gadget id="calculator">8.1 / 6</gadget>
<output>1.35</output>

<result>1.35</result>