What is the product of 60 times the difference between 543 and 489? (column comprehensive formula calculation)
60乘543与489的差，积是多少？(列综合算式计算)
<gadget id="calculator">543 - 489</gadget>
<output>54</output>

<gadget id="calculator">60 * 54</gadget>
<output>3_240</output>

<result>3_240</result>