There are 7 numbers and their average is 18. After removing one number, the average of the remaining 6 numbers is 19; after removing another number, the average of the remaining 5 numbers is 20. Find the product of the two numbers removed.
有7个数，它们的平均数是18．去掉一个数后，剩下6个数的平均数是19；再去掉一个数后，剩下的5个数的平均数是20．求去掉的两个数的乘积．
<gadget id="calculator">7 * 18</gadget>
<output>126</output>

<gadget id="calculator">6 * 19</gadget>
<output>114</output>

<gadget id="calculator">126 - 114</gadget>
<output>12</output>

<gadget id="calculator">5 * 20</gadget>
<output>100</output>

<gadget id="calculator">114 - 100</gadget>
<output>14</output>

<gadget id="calculator">12 * 14</gadget>
<output>168</output>

<result>168</result>