Mother is 1.64 meters tall, Li Fang is 0.29 meters shorter than father, mother is 0.15 meters taller than Li Fang, how many meters is father's height?
妈妈身高1.64米，李芳比爸爸矮0.29米，妈妈比李芳高0.15米，爸爸身高是多少米？
<gadget id="calculator">1.64 - 0.15</gadget>
<output>1.49</output>

<gadget id="calculator">1.49 + 0.29</gadget>
<output>1.78</output>

<result>1.78</result>