The average height of boys in the fourth grade of Qianlou Central Primary School is 122.8 cm, and the average height of boys in the third grade is 14.2 cm shorter than that of the fourth grade. Wu Haoran is a male student in the second class of the third grade. His height is 1.26 meters. Wu Haoran is shorter than the third grade What is the average height of a man?
前楼中心小学四年级男子平均身高122.8厘米，三年级男子平均身高比四年级矮14.2厘米，吴浩然是三年级二班的一名男同学，他的身高是1.26米，问吴浩然比三年级男子平均身高高多少？
<gadget id="calculator">1.26 * 100</gadget>
<output>126</output>

<gadget id="calculator">122.8 - 14.2</gadget>
<output>108.6</output>

<gadget id="calculator">126 - 108.6</gadget>
<output>17.4</output>

<result>17.4</result>