3 times of a number is 210, how much is 8 times of this number.
一个数的3倍是210，这个数的8倍是多少．
<gadget id="calculator">210 / 3</gadget>
<output>70</output>

<gadget id="calculator">70 * 8</gadget>
<output>560</output>

<result>560</result>