Xiaohong's father is 1.7 meters tall, Xiaohong is 0.4 meters shorter than her father, and Xiaohong's mother is 0.3 meters taller than Xiaohong. How tall is Xiaohong's mother?
小红的爸爸身高1.7米，小红比爸爸矮0.4米，小红的妈妈比小红高0.3米，小红的妈妈身高多少米？
<gadget id="calculator">1.7 - 0.4</gadget>
<output>1.3</output>

<gadget id="calculator">1.3 + 0.3</gadget>
<output>1.6</output>

<result>1.6</result>