700 plus at least how much is divisible by 2, 3 and 5 at the same time.
700至少加上多少，可以同时被2、3和5整除．
<gadget id="calculator">2 * 3 * 5</gadget>
<output>30</output>

<gadget id="calculator">30 * 24</gadget>
<output>720</output>

<gadget id="calculator">720 - 700</gadget>
<output>20</output>

<result>20</result>