Xiao Ding Ding goes to the fruit shop to buy apples. According to the original price of 5.2 yuan per kilogram, he can buy 8 kilograms with the money; but the actual current price of apples is 4 yuan per kilogram. How many kilograms can he buy with the money at most?
小丁丁去水果店买苹果，按原价每千克5.2元，他带的钱正好可以买8千克；而实际苹果现价每千克4元，现在他带的钱最多可以买多少千克？
<gadget id="calculator">8 / 4</gadget>
<output>2</output>

<gadget id="calculator">5.2 * 2</gadget>
<output>10.4</output>

<result>10.4</result>