The postal remittance fee is 1%. Wang Ming is going to send 850 yuan to his family. How much is the remittance fee?
邮政汇款的汇费是1%，王明准备给家里寄850元钱，要交多少元的汇费？
<gadget id="calculator">1 / 100</gadget>
<output>1/100 = around 0.01</output>

<gadget id="calculator">850 * (1/100)</gadget>
<output>17/2 = around 8.5</output>

<result>17/2 = around 8.5</result>