The students competed in the long jump, Xiaodong jumped 2.25 meters, Xiaohua jumped 0.4 meters more than Xiaodong, Xiaoqiang jumped 0.25 meters less than Xiaohua, how many meters did Xiaoqiang jump?
同学们跳远比赛，小东跳出了2.25米，小华比小东多跳0.4米，小强比小华少跳0.25米，小强跳了多少米？
<gadget id="calculator">0.4 - 0.25</gadget>
<output>0.15</output>

<gadget id="calculator">2.25 + 0.15</gadget>
<output>2.4</output>

<result>2.4</result>