On Children's Day, Xiaohong and Xiaohua made a batch of big red flowers together. They made 10 flowers per hour for 2 hours, and Xiaohua made 8 flowers per hour. How much of the total did Xiaohua complete?
六一儿童节，小红和小华共同做了一批大红花，他们俩每小时共做10朵，做了2小时，小华每小时做8朵．小华完成了总数的几分之几？
<gadget id="calculator">10 * 2</gadget>
<output>20</output>

<gadget id="calculator">2 / 20</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">8 * (1/10)</gadget>
<output>4/5 = around 0.8</output>

<result>4/5 = around 0.8</result>