Xiao Cheng's height is 155 cm, and Xiao Qiang's height is shorter than Xiao Cheng's (1/5). How tall is Xiaoqiang in centimeters?
小程的身高是155厘米，小强的身高比小程矮(1/5)．小强的身高是多少厘米？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">155 * (4/5)</gadget>
<output>124</output>

<result>124</result>