What is the quotient of the difference of 657 minus 225 divided by the product of 18 and 8?
657减去225的差，除以18与8的积，商是多少？
<gadget id="calculator">657 - 225</gadget>
<output>432</output>

<gadget id="calculator">18 * 8</gadget>
<output>144</output>

<gadget id="calculator">432 / 144</gadget>
<output>3</output>

<result>3</result>