The TV factory plans to produce 4,500 TVs throughout the year. The first three quarters completed the plan (7/9). How many more TVs can be produced in the fourth quarter to complete the plan?
电视机厂计划全年生产4500台电视，前三个季度完成了计划的(7/9)，第四季度再生产多少台电视就可以完成计划？
<gadget id="calculator">7 / 9</gadget>
<output>7/9 = around 0.777778</output>

<gadget id="calculator">1 - (7/9)</gadget>
<output>2/9 = around 0.222222</output>

<gadget id="calculator">4_500 * (2/9)</gadget>
<output>1_000</output>

<result>1_000</result>