Koizumi spent 23 yuan and 50 cents to buy a dictionary, which was 80 cents and 3 cents more than buying a pencil case. How much did he spend in total? (calculated with decimals)
小泉买词典用去23元5角，比买文具盒多用去8角3分．他一共用去多少元？(用小数计算)
<gadget id="calculator">5 / 10</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">23 + (1/2)</gadget>
<output>47/2 = around 23.5</output>

<gadget id="calculator">(47/2) - 0.83</gadget>
<output>22.67</output>

<gadget id="calculator">22.67 + (47/2)</gadget>
<output>46.17</output>

<result>46.17</result>