A tape recorder is priced at 783 yuan after a 10% price cut. What is the original price of this tape recorder?
一台录音机降价10%后售价为783元，这台录音机原价是多少元？
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 - (1/10)</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">783 / (9/10)</gadget>
<output>870</output>

<result>870</result>