Subtract the sum of 2.7 and 4.5 from 45, divide the difference by 5, what is the quotient? how much is correct
从45里面减去2.7与4.5的和，所得的差再除以5，商是多少？正确的是多少
<gadget id="calculator">2.7 + 4.5</gadget>
<output>7.2</output>

<gadget id="calculator">45 - 7.2</gadget>
<output>37.8</output>

<gadget id="calculator">37.8 / 5</gadget>
<output>7.56</output>

<result>7.56</result>