Divide 1 kg of sugar into 9 equal parts, what is the mass of 4 parts in kg
把1千克糖平均分成9份，其中4份的质量是多少千克
<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">(1/9) * 4</gadget>
<output>4/9 = around 0.444444</output>

<result>4/9 = around 0.444444</result>