The number of people in the art group of the Experimental Primary School is 2/3 of that of the science group, the number of people in the technology group is 3/10 of that of the sports group, there are 40 people in the art group, how many people are there in the sports group?
实验小学美术组人数是科技组的(2/3)，科技组人数是体育组的(3/10)，美术组有40人，体育组有多少人？
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">40 / (2/3) / (3/10)</gadget>
<output>200</output>

<result>200</result>