Each machine weighs 600 kg, how many tons does 5 such machines weigh?
每台机器重600千克，5台这样的机器重多少吨．
<gadget id="calculator">5 / 1_000</gadget>
<output>1/200 = around 0.005</output>

<gadget id="calculator">600 * (1/200)</gadget>
<output>3</output>

<result>3</result>