A rope with a length of 10.4 meters is cut off by 3.5 meters for the first time and 2.5 meters for the second time. How much shorter is it now?
一根长10.4米的绳子，第一次剪去3.5米，第二次剪去2.5米．现在比原来短了多少米？
<gadget id="calculator">3.5 + 2.5</gadget>
<output>6</output>

<result>6</result>