75% of the number of red flowers is equal to the number of yellow flowers. If there are 45 yellow flowers, how many red flowers are there?
红花朵数的75%等于黄花的朵数，黄花有45朵，红花有多少朵．
<gadget id="calculator">75 / 100</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">45 / (3/4)</gadget>
<output>60</output>

<result>60</result>