The workers transported 250 vases, and it was stipulated that they would pay a shipping fee of 20 yuan for a complete one to the destination. If one was damaged, a 100 yuan deduction would be deducted. After transporting these vases, the workers received a total of 4,400 yuan. How many were damaged?
工人搬运花瓶250个，规定完整运一个到目的地给运费20元，如果损坏一个要倒扣100元，运完这批花瓶后，工人共得4400元，损坏了多少个？
<gadget id="calculator">20 * 250</gadget>
<output>5_000</output>

<gadget id="calculator">5_000 - 4_400</gadget>
<output>600</output>

<gadget id="calculator">100 + 20</gadget>
<output>120</output>

<gadget id="calculator">600 / 120</gadget>
<output>5</output>

<result>5</result>