There are 150 boys in the sixth grade of Xinghua Primary School, 20 more than the number of girls (2/3). How many girls are there in the sixth grade? Equation solution.
兴华小学六年级有男生150人，比女生人数的(2/3)多20人，六年级有女生多少人？方程解答．
<gadget id="calculator">150 - 20</gadget>
<output>130</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">130 / (2/3)</gadget>
<output>195</output>

<result>195</result>