A child's height increased by 75 cm compared with the birth, and the current height is 2.5 times the birth height. How tall is he now in centimeters?
一个小朋友的身高比出生时增加了75厘米，现在的身高是出生时的2.5倍．他现在身高多少厘米？
<gadget id="calculator">2.5 - 1</gadget>
<output>1.5</output>

<gadget id="calculator">75 / 1.5</gadget>
<output>50</output>

<gadget id="calculator">2.5 * 50</gadget>
<output>125</output>

<result>125</result>