rope is 600 meters long, 225 meters are used for the first time, 158 meters are used for the second time, and 175 meters are used for the third time. How many meters is the rope shorter than the original?
一根绳子长600米，第一次用去了225米，第二次用去了158米，第三次用去了175米，这根绳子比原来短了多少米？
<gadget id="calculator">225 + 158 + 175</gadget>
<output>558</output>

<result>558</result>