Xiao Ming weighs 40 kg, which is equivalent to Xiao Jun's (10/9). How much does Xiao Jun weigh?
小明体重40千克，相当于小军的(10/9)，小军体重多少千克？
<gadget id="calculator">10 / 9</gadget>
<output>10/9 = around 1.111111</output>

<gadget id="calculator">40 / (10/9)</gadget>
<output>36</output>

<result>36</result>