The paving team has already paved 53.5 kilometers of a road, and the rest is 1.6 times what has been paved. If another 20 kilometers are paved, how many kilometers are left?
铺路队铺一条公路，已经铺了53.5千米，剩下的是已经铺的1.6倍，如果再铺20千米，还剩多少千米？
<gadget id="calculator">53.5 * 1.6</gadget>
<output>85.6</output>

<gadget id="calculator">85.6 - 20</gadget>
<output>65.6</output>

<result>65.6</result>