Four students in the second group of Class 1 of the third grade measured their heights. Wang Qiang was 142 cm, Chen Dan was 156 cm, and Xiao Hui was 130 cm. It was found that their average height was 145 cm. What is Zheng Qi's height in cm?
三年级1班第二小组4名同学测量身高，王强142厘米，陈丹156厘米，小慧130厘米，发现他们平均身高是145厘米，郑琪身高是多少厘米？
<gadget id="calculator">145 * 4</gadget>
<output>580</output>

<gadget id="calculator">580 - 142 - 156 - 130</gadget>
<output>152</output>

<result>152</result>