Wen Wen is 1.43 meters tall, Cheng Cheng is 0.05 meters taller than Wen Wen, and Jun Jun is 0.1 meters shorter than Cheng Cheng. How many meters tall is Jun Jun?
文文身高1.43米，成成比文文高0.05米，军军比成成矮0.1米，军军身高多少米？
<gadget id="calculator">0.05 - 0.1</gadget>
<output>-0.05</output>

<gadget id="calculator">1.43 + (-0.05)</gadget>
<output>1.38</output>

<result>1.38</result>