The height of the famous basketball player Yao Ming in my country is 2.26 meters, which is 0.74 meters less than twice his height when he was seven years old. How many meters was Yao Ming's height when he was seven years old?
我国著名篮球运动员姚明的身高是2.26米，比他七岁时身高的2倍少0.74米，姚明七岁时的身高是多少米？
<gadget id="calculator">2.26 + 0.74</gadget>
<output>3</output>

<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>

<result>3/2 = around 1.5</result>