Zhang Hong’s family took part in home property insurance last year. The insurance amount was 20,000 yuan, and the annual premium rate was 0.3%. The insurance company paid 2,700 yuan for the loss of 3,000 yuan of property due to the accident. How much did Zhang Hong’s family actually lose last year?
张红家去年参加了家庭财产保险，保险金额是20000元，每年的保险费率是0.3%，由于事故损失了3000元的物品，保险公司赔偿了2700元，张红家去年实际损失了多少元？
<gadget id="calculator">3_000 - 2_700</gadget>
<output>300</output>

<gadget id="calculator">6_000 + 300</gadget>
<output>6_300</output>

<result>6_300</result>