If rope A is (2/5) meters longer than rope B, how many meters is rope B shorter than rope A?
甲绳比乙绳长(2/5)米，则乙绳比甲绳短多少米
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<result>2/5 = around 0.4</result>