Xiaoming's family donated to the earthquake-stricken areas. The money donated by father belongs to mother (2/3), and the ratio of money donated by Xiao Ming and father is 3:8. It is known that his mother donated 1,200 yuan, how much did Xiao Ming donate?
小明家为地震灾区捐款．爸爸捐的钱是妈妈的(2/3)，小明与爸爸捐钱数的比是3：8．已知妈妈捐了1200元，小明捐了多少元？
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">1_200 * (2/3)</gadget>
<output>800</output>

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">800 * (3/8)</gadget>
<output>300</output>

<result>300</result>