Li Tao's family bought a LCD TV with a price of 3510 yuan, which includes value-added tax (tax rate is 17%). How much is the value-added tax of this TV?
李涛家买了一台售价3510元的液晶电视，其中含增值税(税率为17%)，这台电视的增值税是多少元．
<gadget id="calculator">17 / 100</gadget>
<output>17/100 = around 0.17</output>

<gadget id="calculator">1 + (17/100)</gadget>
<output>117/100 = around 1.17</output>

<gadget id="calculator">3_510 / (117/100)</gadget>
<output>3_000</output>

<gadget id="calculator">3_000 * (17/100)</gadget>
<output>510</output>

<result>510</result>