Xiaozhen is 1.23 meters tall, Xiaohai is 0.32 meters taller than Xiaozhen, and Xiaojun is 0.17 meters shorter than Xiaohai. How tall is Xiaojun?
小珍身高1.23米，小海比小珍高0.32米，小军比小海矮0.17米．小军身高多少米？
<gadget id="calculator">0.32 - 0.17</gadget>
<output>0.15</output>

<gadget id="calculator">1.23 + 0.15</gadget>
<output>1.38</output>

<result>1.38</result>