Xiao Ming spent (2/5) hours doing homework, and the time for physical exercise was (10/3) of homework time. How many hours did Xiao Ming spend doing physical exercise?
小明做作业用了(2/5)小时，体育锻炼的时间是写作业时间的(10/3)，小明体育锻炼用了多少小时？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">10 / 3</gadget>
<output>10/3 = around 3.333333</output>

<gadget id="calculator">(2/5) * (10/3)</gadget>
<output>4/3 = around 1.333333</output>

<result>4/3 = around 1.333333</result>