There are 138 boys in a certain elementary school, and the number of boys is less than that of girls (1/3). How many girls are there?
某小学有男生138名，男生人数比女生的少(1/3)．女生有多少名？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 - (1/3)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">138 / (2/3)</gadget>
<output>207</output>

<result>207</result>