Yucai Primary School has 900 girls, 20% more boys than girls. How many students are there in this school?
育才小学有女生900人，男生人数比女生多20%．这个学校有学生多少人？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">900 * (6/5)</gadget>
<output>1_080</output>

<gadget id="calculator">1_080 + 900</gadget>
<output>1_980</output>

<result>1_980</result>