Children's weight is best not to exceed body weight (3/20). Xiao Ming's weight is 35kg, how many kg should he carry?
儿童的负重最好不要超过体重的(3/20)．小明体重是35kg，他最好负重不要超过多少kg？
<gadget id="calculator">3 / 20</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">35 * (3/20)</gadget>
<output>21/4 = around 5.25</output>

<result>21/4 = around 5.25</result>