Xiao Ming is 154 cm tall, and the legs of his lower body account for about (3/7). How long are Xiao Ming's legs?
小明身高154厘米，他下身的腿长约占(3/7)，小明的腿大约有多长？
<gadget id="calculator">3 / 7</gadget>
<output>3/7 = around 0.428571</output>

<gadget id="calculator">154 * (3/7)</gadget>
<output>66</output>

<result>66</result>