The three students skipped rope, Xiaoming jumped 80 times, it was Xiaoli's (4/5), and Xiaodong's jump was Xiaoli's (3/5), how many times did Xiaodong jump?
三个同学跳绳，小明跳了80下，是小丽的(4/5)，小东跳的是小丽的(3/5)，小东跳了多少下？
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">80 / (4/5)</gadget>
<output>100</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">100 * (3/5)</gadget>
<output>60</output>

<result>60</result>