Someone is hired with an annual salary of 12,000 yuan plus a beautiful suit. He resigned after working for 7 months, and got 6500 yuan and this suit fairly. So, how much is this suit worth?
某人以年薪12000元再加一套漂亮的套装被雇用．他工作了7个月后辞职，并公平地得到6500元和这套套装．那么，这套套装值多少元．
<gadget id="calculator">7 / 12</gadget>
<output>7/12 = around 0.583333</output>

<gadget id="calculator">12_000 * (7/12)</gadget>
<output>7_000</output>

<gadget id="calculator">7_000 - 6_500</gadget>
<output>500</output>

<gadget id="calculator">1 - (7/12)</gadget>
<output>5/12 = around 0.416667</output>

<gadget id="calculator">500 / (5/12)</gadget>
<output>1_200</output>

<result>1_200</result>