There are two bundles of iron wires of the same thickness. It is known that one bundle is 80 meters long and weighs 400 kilograms, and the other bundle weighs 120 kilograms. How many meters is this bundle of wires?
有两捆粗细相同的铁丝，已知其中一捆长80米，重400千克，另一捆重120千克，这捆铁丝长多少米？
<gadget id="calculator">120 * 80</gadget>
<output>9_600</output>

<gadget id="calculator">9_600 / 400</gadget>
<output>24</output>

<result>24</result>