A computer company plans to install 1,500 computers in May, but actually completed 1,800. What percentage is the overproduction this month?
某电脑公司5月份计划装1500台电脑，实际完成1800台，这个月超产百分之几？
<gadget id="calculator">1_800 - 1_500</gadget>
<output>300</output>

<gadget id="calculator">300 / 1_500</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>