In a test, Zhang Liangwei scored 70 points in the English test, Liu Renjie's score was Zhang Liangwei's (6/7), and Liu Tao's score was Liu Renjie's (2/3), how many points did Liu Tao score?
在一次测试中，张良伟英语考了70分，刘仁杰的分数是张良伟的(6/7)，刘涛的分数是刘仁杰的(2/3)，刘涛考了多少分？
<gadget id="calculator">6 / 7</gadget>
<output>6/7 = around 0.857143</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">70 * (6/7) * (2/3)</gadget>
<output>40</output>

<result>40</result>