Uncle workers have been repairing a 4,500-meter-long road for 24 days, with an average of 160 meters per day. How many meters are left to be repaired?
工人叔叔修一条长4500米的路，已经修了24天，平均每天修160米，还剩下多少米没修？
<gadget id="calculator">24 * 160</gadget>
<output>3_840</output>

<gadget id="calculator">4_500 - 3_840</gadget>
<output>660</output>

<result>660</result>