Mom prepared 0.8 kg of sugar water with a sugar content of 5% for Xiaoqiang. How many grams of sugar did you put in?
妈妈为小强配制了含糖率为5%的糖水0.8千克，放了多少克的糖？
<gadget id="calculator">0.8 * 1_000</gadget>
<output>800</output>

<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">800 * (1/20)</gadget>
<output>40</output>

<result>40</result>