A batch of toys came into Hongqi Mall, and they were sold at 20% off the price on June 1. The toys sold on that day can still get a 10% profit. What is the profit when these toys are sold at the price?
红旗商场进了一批玩具，6月1日这天以定价的八折出售，当天售出的玩具仍可获得10%的利润，问这批玩具以定价出售时的利润为百分之几．
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 + (1/10)</gadget>
<output>11/10 = around 1.1</output>

<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">(11/10) / (4/5)</gadget>
<output>11/8 = around 1.375</output>

<gadget id="calculator">(11/8) - 1</gadget>
<output>3/8 = around 0.375</output>

<result>3/8 = around 0.375</result>