A number multiplied by 6 is 420, how much is this number multiplied by 3?
一个数与6相乘得420，这个数与3相乘得多少．
<gadget id="calculator">420 / 6</gadget>
<output>70</output>

<gadget id="calculator">70 * 3</gadget>
<output>210</output>

<result>210</result>