The number of boys in Guangming School is 2/3 of that of girls, and there are 450 girls. How many people are there in Guangming School?
光明学校中男生人数是女生的(2/3)，女生有450人．光明学校有多少人？
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">450 * (2/3)</gadget>
<output>300</output>

<gadget id="calculator">300 + 450</gadget>
<output>750</output>

<result>750</result>