Xiaofang's height is 3cm shorter than Xiaoming's (4/5), Xiaofang's height is 117cm, what is Xiaoming's height?
小芳的身高比小明的(4/5)少3cm，小芳身高117cm，小明身高多少？
<gadget id="calculator">117 + 3</gadget>
<output>120</output>

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">120 / (4/5)</gadget>
<output>150</output>

<result>150</result>