In a multiplication formula, the multiplier is (3/4), the product is 90 less than the multiplicand, what is the product.
在一个乘法算式里，乘数是(3/4)，积比被乘数少90，积是多少．
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 - (3/4)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">90 / (1/4)</gadget>
<output>360</output>

<gadget id="calculator">360 * (3/4)</gadget>
<output>270</output>

<result>270</result>