30% of a number is 120 less than 40% of 360, find this number.
一个数的30%比360的40%少120，求这个数．
<gadget id="calculator">144 - 120</gadget>
<output>24</output>

<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">24 / (3/10)</gadget>
<output>80</output>

<result>80</result>