A rope is 120 meters long. For the first time, 2/5 of the full length is used, and 40 meters are used for the second time. How many meters is the rope shorter?
一根绳子长120米，第一次用去全长的(2/5)，第二次用去40米，这根绳子短了多少米？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">120 * (2/5)</gadget>
<output>48</output>

<gadget id="calculator">48 + 40</gadget>
<output>88</output>

<result>88</result>