Hua Xin bought a 2.5 yuan ballpoint pen and 4 pencils at the store. She paid the salesperson 10 yuan and got 1.5 yuan back. How much is each pencil?
华欣在商店买了一枝2.5元的圆珠笔，又买了4枝铅笔，她付给营业员10元钱，找回1.5元．每枝铅笔多少元？
<gadget id="calculator">10 - 1.5 - 2.5</gadget>
<output>6</output>

<gadget id="calculator">6 / 4</gadget>
<output>3/2 = around 1.5</output>

<result>3/2 = around 1.5</result>