Find the ratio: 750cm: 6m = how much.
求比值：750cm：6m=多少．
<gadget id="calculator">6 * 100</gadget>
<output>600</output>

<gadget id="calculator">750 / 600</gadget>
<output>5/4 = around 1.25</output>

<result>5/4 = around 1.25</result>