Use the difference between 189 and 102 to divide the product of 18 and 29, what is the quotient?
用189与102的差，去除18与29的积，商是多少？
<gadget id="calculator">18 * 29</gadget>
<output>522</output>

<gadget id="calculator">189 - 102</gadget>
<output>87</output>

<gadget id="calculator">522 / 87</gadget>
<output>6</output>

<result>6</result>