If 100g of pork contains 9.5g of fat, how many grams of fat is in 40g of pork?
已知100g猪肉中含有9.5g脂肪，则40g猪肉中含有多少克脂肪．
<gadget id="calculator">9.5 / 100</gadget>
<output>0.095</output>

<gadget id="calculator">0.095 * 40</gadget>
<output>3.8</output>

<result>3.8</result>