If the average height of 156cm is recorded as 0cm, then Xiaoming's height is recorded as -4cm, what is Xiaoming's actual height in cm.
如果把平均身高156cm记作0cm，那么小明的身高记作-4cm，小明的实际身高是多少cm．
<gadget id="calculator">156 + (-4)</gadget>
<output>152</output>

<result>152</result>