In March, 1,650 pairs of leather shoes were actually produced, 10% more than planned. How many pairs of leather shoes are planned to be produced in March?
三月实际生产了1650双皮鞋，比计划多生产了10%，三月份计划生产皮鞋多少双？
<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">1_650 / (11/10)</gadget>
<output>1_500</output>

<result>1_500</result>