The ratio of divisor and dividend is 1:3, the sum of dividend, divisor and quotient is 35, what is the dividend.
除数、被除数的比是1﹕3，被除数、除数、商的和是35，被除数是多少．
<gadget id="calculator">3 / 1</gadget>
<output>3</output>

<gadget id="calculator">35 - 3</gadget>
<output>32</output>

<gadget id="calculator">1 + 3</gadget>
<output>4</output>

<gadget id="calculator">3 / 1 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">32 * (3/4)</gadget>
<output>24</output>

<result>24</result>