A wire is 100 meters long, 27 meters are used for the first time, and 38 meters are used for the second time. How many meters is the length of the wire now shorter than before? What is the column
一根铁丝长100米，第一次用去27米，第二次用去38米．现在铁丝的长度比原来短了多少米？列式为多少
<gadget id="calculator">27 + 38</gadget>
<output>65</output>

<result>65</result>