Xiao Ming is (7/8) meters tall, and his father is 1.74 meters tall. How many meters is Xiao Ming shorter than his father?
小明身高(7/8)米，他爸爸身高1.74米，小明比爸爸矮多少米？
<gadget id="calculator">7 / 8</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">1.74 - (7/8)</gadget>
<output>0.865</output>

<result>0.865</result>