Walking across the bridge over the river, A needs to walk 360 steps, and B needs to walk 432 steps. Each step of A is 0.1 meters longer than that of B. How long is the bridge in meters?
步行通过河上的大桥，甲要走360步，乙要走432步，甲每步比乙每步多走0.1米，这座桥长多少米．
<gadget id="calculator">432 * 0.1</gadget>
<output>43.2</output>

<gadget id="calculator">432 - 360</gadget>
<output>72</output>

<gadget id="calculator">43.2 / 72</gadget>
<output>0.6</output>

<gadget id="calculator">360 * 0.6</gadget>
<output>216</output>

<result>216</result>