The length of part A on the 1:200 scale drawing is equal to the length of part B on the 1:300 scale drawing. The actual length of A is 6m. What is the actual length of part B?
A零件在1：200比例尺的图上长度与B零件在1；300比例尺图上长度相等，A实际长6m，B零件实际长多少．
<gadget id="calculator">1 / 200</gadget>
<output>1/200 = around 0.005</output>

<gadget id="calculator">1 / 300</gadget>
<output>1/300 = around 0.003333</output>

<gadget id="calculator">(1/200) / (1/300) / 100</gadget>
<output>3/200 = around 0.015</output>

<gadget id="calculator">6 * 100 * (3/200)</gadget>
<output>9</output>

<result>9</result>