What is the number made up of 3 ones, 4 tenths, and 5 thousandths
3个一，4个十分之一，5个千分之一组成的数是多少
<gadget id="calculator">5 / 1_000</gadget>
<output>1/200 = around 0.005</output>

<gadget id="calculator">3 + 0.4 + (1/200)</gadget>
<output>3.405</output>

<result>3.405</result>