The ratio of iodine to alcohol in the common drug "iodine" is 2:25, how many grams of iodine is needed to prepare 8100 grams of iodine?
常有药品"碘酒"里碘与酒精的比是2：25，要配制8100克碘酒，需要碘多少克？
<gadget id="calculator">2 + 25</gadget>
<output>27</output>

<gadget id="calculator">2 / 27</gadget>
<output>2/27 = around 0.074074</output>

<gadget id="calculator">8_100 * (2/27)</gadget>
<output>600</output>

<result>600</result>