A wire is 180 meters long, 26.45 meters are used for the first time, 20.85 meters are used for the second time, and 33.55 meters are used for the third time. How many meters is left on this wire?
一根铁丝长180米，第一次用去26.45米，第二次用去20.85米，第三次用去33.55米．这根铁丝还剩多少米？
<gadget id="calculator">180 - 26.45 - 20.85 - 33.55</gadget>
<output>99.15</output>

<result>99.15</result>