The length of the head of an adult is about 1/8 of the height. Mr. Zhang's height is 176cm. What is the length of Mr. Zhang's head in cm?
成人的头部长度约占身高的(1/8)，张老师的身高是176cm，张老师头部的长度约是多少cm？
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">176 * (1/8)</gadget>
<output>22</output>

<result>22</result>