It is known that the height of father is 180 cm; Xiao Ming said: "My height is father's (7/9)." Mom said: "My height is Xiao Ming's (8/7); "What is the height of mother in centimeters?
已知爸爸身高180厘米；小明说："我的身高是爸爸的(7/9)．"妈妈说："我的身高是小明的(8/7)；"妈妈的身高是多少厘米？
<gadget id="calculator">7 / 9</gadget>
<output>7/9 = around 0.777778</output>

<gadget id="calculator">8 / 7</gadget>
<output>8/7 = around 1.142857</output>

<gadget id="calculator">180 * (7/9) * (8/7)</gadget>
<output>160</output>

<result>160</result>