A store wants to buy a total of 444 kg of biscuits and chocolates, and then adjusts the purchase volume so that the biscuits increase by 20 kg and the chocolate decreases by 5%, resulting in a total increase of 7 kg. So how many kilograms of biscuits actually enter.
某商店想进饼干和巧克力共444千克，后又调整了进货量，使饼干增加了20千克，巧克力减少5%，结果总数增加了7千克．那么实际进饼干多少千克．
<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">444 * (1/20)</gadget>
<output>111/5 = around 22.2</output>

<gadget id="calculator">7 - 20 - 444</gadget>
<output>-457</output>

<gadget id="calculator">(111/5) + 444 + (-457)</gadget>
<output>46/5 = around 9.2</output>

<gadget id="calculator">(1/20) - 1</gadget>
<output>-19/20 = around -0.95</output>

<gadget id="calculator">1 + (-19/20)</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">(46/5) / (1/20)</gadget>
<output>184</output>

<gadget id="calculator">444 - 184</gadget>
<output>260</output>

<gadget id="calculator">260 + 20</gadget>
<output>280</output>

<result>280</result>